Home / 10,066.60-15,099.90-6,385.15

Finding the Fourth Proportional to 10,066.60, 15,099.90 and 6,385.15

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Solution

The fourth proportional to 10,066.60, 15,099.90 and 6,385.15 is: 9,577.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066.60 : 15,099.90 = 6,385.15 : x
  2. Step 2: Convert to fraction form
    10,066.60/15,099.90 = 6,385.15/x
  3. Step 3: Cross multiply
    10,066.60x = 15,099.90 × 6,385.15
  4. Step 4: Simplify right side
    10,066.60x = 96,415,126.49
  5. Step 5: Solve for x
    x = 96,415,126.49/10,066.60
  6. Step 6: Final answer
    x = 9,577.73

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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.