Home / 15,253.82-22,871.97-8,129.29

Finding the Fourth Proportional to 15,253.82, 22,871.97 and 8,129.29

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Solution

The fourth proportional to 15,253.82, 22,871.97 and 8,129.29 is: 12,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253.82 : 22,871.97 = 8,129.29 : x
  2. Step 2: Convert to fraction form
    15,253.82/22,871.97 = 8,129.29/x
  3. Step 3: Cross multiply
    15,253.82x = 22,871.97 × 8,129.29
  4. Step 4: Simplify right side
    15,253.82x = 185,932,722.00
  5. Step 5: Solve for x
    x = 185,932,722.00/15,253.82
  6. Step 6: Final answer
    x = 12,189.26

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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.