Home / 15,140.25-22,711.21-5,781.03

Finding the Fourth Proportional to 15,140.25, 22,711.21 and 5,781.03

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Solution

The fourth proportional to 15,140.25, 22,711.21 and 5,781.03 is: 8,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.25 : 22,711.21 = 5,781.03 : x
  2. Step 2: Convert to fraction form
    15,140.25/22,711.21 = 5,781.03/x
  3. Step 3: Cross multiply
    15,140.25x = 22,711.21 × 5,781.03
  4. Step 4: Simplify right side
    15,140.25x = 131,294,186.35
  5. Step 5: Solve for x
    x = 131,294,186.35/15,140.25
  6. Step 6: Final answer
    x = 8,671.86

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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.