Home / 14,781.20-22,171.19-6,881.00

Finding the Fourth Proportional to 14,781.20, 22,171.19 and 6,881.00

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Solution

The fourth proportional to 14,781.20, 22,171.19 and 6,881.00 is: 10,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.20 : 22,171.19 = 6,881.00 : x
  2. Step 2: Convert to fraction form
    14,781.20/22,171.19 = 6,881.00/x
  3. Step 3: Cross multiply
    14,781.20x = 22,171.19 × 6,881.00
  4. Step 4: Simplify right side
    14,781.20x = 152,560,000.20
  5. Step 5: Solve for x
    x = 152,560,000.20/14,781.20
  6. Step 6: Final answer
    x = 10,321.22

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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.