The graph of a proportional relationship passes through (12, 16) and (1, y). Find y.

Answer 1

12 / 16 = 1 / y

4 ∙ 3 / 4 ∙ 4 = 1 / y

3 / 4 = 1 / y

Take the reciprocal of both sides.

4 / 3 = y

y = 4 / 3