Home / 11,117.28-15,347.42-8,593.68

Finding the Fourth Proportional to 11,117.28, 15,347.42 and 8,593.68

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Solution

The fourth proportional to 11,117.28, 15,347.42 and 8,593.68 is: 11,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.28 : 15,347.42 = 8,593.68 : x
  2. Step 2: Convert to fraction form
    11,117.28/15,347.42 = 8,593.68/x
  3. Step 3: Cross multiply
    11,117.28x = 15,347.42 × 8,593.68
  4. Step 4: Simplify right side
    11,117.28x = 131,890,773.34
  5. Step 5: Solve for x
    x = 131,890,773.34/11,117.28
  6. Step 6: Final answer
    x = 11,863.58

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Double scale
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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.