The top two sides from the four-team tournament won their spots in the finals, which take place in Sydney, Australia, with Wales and Republic of Ireland failing to qualify.
Northern Ireland's emphatic 73-50 win in the early match on Sunday meant they would qualify should Scotland win or draw, while Wales' only path to qualification was through a victory over Scotland.
Heading into the final match of the tournament between the Scots and Welsh, the event hosts had their spot in the finals secured unless Wales won with an overwhelming points haul and Scotland ran out 55-48 victors.
The World Cup runs from 25 August-5 September 2027.
Netball World Cup qualifying results
Wales 49-50 Northern Ireland
Scotland 84-29 Republic of Ireland
Republic of Ireland 33-76 Wales
Scotland 67-43 Northern Ireland
Northern Ireland 73-50 Republic of Ireland
