Home / 15,002.31-22,517.60-7,612.08

Finding the Fourth Proportional to 15,002.31, 22,517.60 and 7,612.08

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Solution

The fourth proportional to 15,002.31, 22,517.60 and 7,612.08 is: 11,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002.31 : 22,517.60 = 7,612.08 : x
  2. Step 2: Convert to fraction form
    15,002.31/22,517.60 = 7,612.08/x
  3. Step 3: Cross multiply
    15,002.31x = 22,517.60 × 7,612.08
  4. Step 4: Simplify right side
    15,002.31x = 171,405,650.11
  5. Step 5: Solve for x
    x = 171,405,650.11/15,002.31
  6. Step 6: Final answer
    x = 11,425.28

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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.