Home / 8,153.31-12,229.97-1,997.31

Finding the Fourth Proportional to 8,153.31, 12,229.97 and 1,997.31

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Solution

The fourth proportional to 8,153.31, 12,229.97 and 1,997.31 is: 2,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.31 : 12,229.97 = 1,997.31 : x
  2. Step 2: Convert to fraction form
    8,153.31/12,229.97 = 1,997.31/x
  3. Step 3: Cross multiply
    8,153.31x = 12,229.97 × 1,997.31
  4. Step 4: Simplify right side
    8,153.31x = 24,427,041.38
  5. Step 5: Solve for x
    x = 24,427,041.38/8,153.31
  6. Step 6: Final answer
    x = 2,995.97

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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.