Home / 11,234.42-15,517.29-8,414.39

Finding the Fourth Proportional to 11,234.42, 15,517.29 and 8,414.39

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Solution

The fourth proportional to 11,234.42, 15,517.29 and 8,414.39 is: 11,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.42 : 15,517.29 = 8,414.39 : x
  2. Step 2: Convert to fraction form
    11,234.42/15,517.29 = 8,414.39/x
  3. Step 3: Cross multiply
    11,234.42x = 15,517.29 × 8,414.39
  4. Step 4: Simplify right side
    11,234.42x = 130,568,452.22
  5. Step 5: Solve for x
    x = 130,568,452.22/11,234.42
  6. Step 6: Final answer
    x = 11,622.19

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.