Home / 13,331.40-19,997.10-13,234.20

Finding the Fourth Proportional to 13,331.40, 19,997.10 and 13,234.20

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Solution

The fourth proportional to 13,331.40, 19,997.10 and 13,234.20 is: 19,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.40 : 19,997.10 = 13,234.20 : x
  2. Step 2: Convert to fraction form
    13,331.40/19,997.10 = 13,234.20/x
  3. Step 3: Cross multiply
    13,331.40x = 19,997.10 × 13,234.20
  4. Step 4: Simplify right side
    13,331.40x = 264,645,620.82
  5. Step 5: Solve for x
    x = 264,645,620.82/13,331.40
  6. Step 6: Final answer
    x = 19,851.30

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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.