Home / 8,310.11-11,517.47-8,154.59

Finding the Fourth Proportional to 8,310.11, 11,517.47 and 8,154.59

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Solution

The fourth proportional to 8,310.11, 11,517.47 and 8,154.59 is: 11,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.11 : 11,517.47 = 8,154.59 : x
  2. Step 2: Convert to fraction form
    8,310.11/11,517.47 = 8,154.59/x
  3. Step 3: Cross multiply
    8,310.11x = 11,517.47 × 8,154.59
  4. Step 4: Simplify right side
    8,310.11x = 93,920,147.33
  5. Step 5: Solve for x
    x = 93,920,147.33/8,310.11
  6. Step 6: Final answer
    x = 11,301.92

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.