Home / 13,732.68-18,951.12-7,445.07

Finding the Fourth Proportional to 13,732.68, 18,951.12 and 7,445.07

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Solution

The fourth proportional to 13,732.68, 18,951.12 and 7,445.07 is: 10,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.68 : 18,951.12 = 7,445.07 : x
  2. Step 2: Convert to fraction form
    13,732.68/18,951.12 = 7,445.07/x
  3. Step 3: Cross multiply
    13,732.68x = 18,951.12 × 7,445.07
  4. Step 4: Simplify right side
    13,732.68x = 141,092,414.98
  5. Step 5: Solve for x
    x = 141,092,414.98/13,732.68
  6. Step 6: Final answer
    x = 10,274.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.