Select proportional or not proportional to correctly classify each pair of ratios.
16/36 and 4/9
![Select proportional or not proportional to correctly classify each pair of ratios 1636 and 49 class=](https://us-static.z-dn.net/files/d9c/fd29dee2d36ddc0bd39d67306a4c3749.png)
16/36=4/9
(16)(9)=(36)(4) cross multiply
144=144 proportional