Finding the Fourth Proportional to 19,500, 29,250 and 4,908
Calculator
Solution
The fourth proportional to 19,500, 29,250 and 4,908 is: 7,362
Step by Step Solution
- Step 1: Write the proportion equation
19,500 : 29,250 = 4,908 : x - Step 2: Convert to fraction form
19,500/29,250 = 4,908/x - Step 3: Cross multiply
19,500x = 29,250 × 4,908 - Step 4: Simplify right side
19,500x = 143,559,000 - Step 5: Solve for x
x = 143,559,000/19,500 - Step 6: Final answer
x = 7,362
Related Problems
Find fourth proportional to 9,750, 14,625 and 2,454
Half scale
Find fourth proportional to 39,000, 58,500 and 9,816
Double scale
Find fourth proportional to 19,501, 29,251.50 and 4,909
Similar ratio
Find fourth proportional to 29,250, 43,875 and 7,362
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.