Home / 10,207.38-15,311.10-3,286.74

Finding the Fourth Proportional to 10,207.38, 15,311.10 and 3,286.74

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Solution

The fourth proportional to 10,207.38, 15,311.10 and 3,286.74 is: 4,930.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.38 : 15,311.10 = 3,286.74 : x
  2. Step 2: Convert to fraction form
    10,207.38/15,311.10 = 3,286.74/x
  3. Step 3: Cross multiply
    10,207.38x = 15,311.10 × 3,286.74
  4. Step 4: Simplify right side
    10,207.38x = 50,323,604.81
  5. Step 5: Solve for x
    x = 50,323,604.81/10,207.38
  6. Step 6: Final answer
    x = 4,930.12

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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.