Home / 10,318.38-15,470.20-7,356.88

Finding the Fourth Proportional to 10,318.38, 15,470.20 and 7,356.88

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Solution

The fourth proportional to 10,318.38, 15,470.20 and 7,356.88 is: 11,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.38 : 15,470.20 = 7,356.88 : x
  2. Step 2: Convert to fraction form
    10,318.38/15,470.20 = 7,356.88/x
  3. Step 3: Cross multiply
    10,318.38x = 15,470.20 × 7,356.88
  4. Step 4: Simplify right side
    10,318.38x = 113,812,404.98
  5. Step 5: Solve for x
    x = 113,812,404.98/10,318.38
  6. Step 6: Final answer
    x = 11,030.07

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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.