Home / 8,101.05-12,151.58-6,254.86

Finding the Fourth Proportional to 8,101.05, 12,151.58 and 6,254.86

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Solution

The fourth proportional to 8,101.05, 12,151.58 and 6,254.86 is: 9,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.05 : 12,151.58 = 6,254.86 : x
  2. Step 2: Convert to fraction form
    8,101.05/12,151.58 = 6,254.86/x
  3. Step 3: Cross multiply
    8,101.05x = 12,151.58 × 6,254.86
  4. Step 4: Simplify right side
    8,101.05x = 76,006,431.68
  5. Step 5: Solve for x
    x = 76,006,431.68/8,101.05
  6. Step 6: Final answer
    x = 9,382.29

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Half scale
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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.