Home / 15,141.20-22,711.80-9,301.10

Finding the Fourth Proportional to 15,141.20, 22,711.80 and 9,301.10

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Solution

The fourth proportional to 15,141.20, 22,711.80 and 9,301.10 is: 13,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.20 : 22,711.80 = 9,301.10 : x
  2. Step 2: Convert to fraction form
    15,141.20/22,711.80 = 9,301.10/x
  3. Step 3: Cross multiply
    15,141.20x = 22,711.80 × 9,301.10
  4. Step 4: Simplify right side
    15,141.20x = 211,244,722.98
  5. Step 5: Solve for x
    x = 211,244,722.98/15,141.20
  6. Step 6: Final answer
    x = 13,951.65

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Double scale
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Similar ratio
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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.