Home / 15,781.74-23,687.19-7,996.02

Finding the Fourth Proportional to 15,781.74, 23,687.19 and 7,996.02

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Solution

The fourth proportional to 15,781.74, 23,687.19 and 7,996.02 is: 12,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.74 : 23,687.19 = 7,996.02 : x
  2. Step 2: Convert to fraction form
    15,781.74/23,687.19 = 7,996.02/x
  3. Step 3: Cross multiply
    15,781.74x = 23,687.19 × 7,996.02
  4. Step 4: Simplify right side
    15,781.74x = 189,403,244.98
  5. Step 5: Solve for x
    x = 189,403,244.98/15,781.74
  6. Step 6: Final answer
    x = 12,001.42

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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.