Finding the Fourth Proportional to 10,151.39, 15,223.29 and 3,485.99
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Solution
The fourth proportional to 10,151.39, 15,223.29 and 3,485.99 is: 5,227.68
Step by Step Solution
- Step 1: Write the proportion equation
10,151.39 : 15,223.29 = 3,485.99 : x - Step 2: Convert to fraction form
10,151.39/15,223.29 = 3,485.99/x - Step 3: Cross multiply
10,151.39x = 15,223.29 × 3,485.99 - Step 4: Simplify right side
10,151.39x = 53,068,236.71 - Step 5: Solve for x
x = 53,068,236.71/10,151.39 - Step 6: Final answer
x = 5,227.68
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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.