Proportionately 3 4 Crossword Clue

Still struggling to solve the crossword clue proportionately 3 4? Try to searching by the letters you have
Enter word length: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Enter the letters that are known into the corresponding boxes as that position