Home / 11,491.10-17,236.65-8,575.10

Finding the Fourth Proportional to 11,491.10, 17,236.65 and 8,575.10

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Solution

The fourth proportional to 11,491.10, 17,236.65 and 8,575.10 is: 12,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.10 : 17,236.65 = 8,575.10 : x
  2. Step 2: Convert to fraction form
    11,491.10/17,236.65 = 8,575.10/x
  3. Step 3: Cross multiply
    11,491.10x = 17,236.65 × 8,575.10
  4. Step 4: Simplify right side
    11,491.10x = 147,805,997.42
  5. Step 5: Solve for x
    x = 147,805,997.42/11,491.10
  6. Step 6: Final answer
    x = 12,862.65

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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.