Home / 10,230.38-15,349.16-5,039.90

Finding the Fourth Proportional to 10,230.38, 15,349.16 and 5,039.90

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Solution

The fourth proportional to 10,230.38, 15,349.16 and 5,039.90 is: 7,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.38 : 15,349.16 = 5,039.90 : x
  2. Step 2: Convert to fraction form
    10,230.38/15,349.16 = 5,039.90/x
  3. Step 3: Cross multiply
    10,230.38x = 15,349.16 × 5,039.90
  4. Step 4: Simplify right side
    10,230.38x = 77,358,167.34
  5. Step 5: Solve for x
    x = 77,358,167.34/10,230.38
  6. Step 6: Final answer
    x = 7,561.62

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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.