Which proportion can be used to find the length of DG¯¯¯¯¯¯?
1824=DG6
318=6DG
DG4=63
DG3=186
Triangle A B C and D F G. Angle B and angle F are marked with congruency marking. B A is 3 inches. B C i s4 inches. A C is 6 inches. E F is 18 inches. F G is 24 inches.