Home / 10,997.67-15,151.15-8,996.57

Finding the Fourth Proportional to 10,997.67, 15,151.15 and 8,996.57

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Solution

The fourth proportional to 10,997.67, 15,151.15 and 8,996.57 is: 12,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.67 : 15,151.15 = 8,996.57 : x
  2. Step 2: Convert to fraction form
    10,997.67/15,151.15 = 8,996.57/x
  3. Step 3: Cross multiply
    10,997.67x = 15,151.15 × 8,996.57
  4. Step 4: Simplify right side
    10,997.67x = 136,308,373.86
  5. Step 5: Solve for x
    x = 136,308,373.86/10,997.67
  6. Step 6: Final answer
    x = 12,394.29

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Half scale
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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.