Home / 10,306.41-15,445.94-5,614.38

Finding the Fourth Proportional to 10,306.41, 15,445.94 and 5,614.38

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Solution

The fourth proportional to 10,306.41, 15,445.94 and 5,614.38 is: 8,414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.41 : 15,445.94 = 5,614.38 : x
  2. Step 2: Convert to fraction form
    10,306.41/15,445.94 = 5,614.38/x
  3. Step 3: Cross multiply
    10,306.41x = 15,445.94 × 5,614.38
  4. Step 4: Simplify right side
    10,306.41x = 86,719,376.62
  5. Step 5: Solve for x
    x = 86,719,376.62/10,306.41
  6. Step 6: Final answer
    x = 8,414.12

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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.