Home / 15,286.05-22,921.92-5,425.11

Finding the Fourth Proportional to 15,286.05, 22,921.92 and 5,425.11

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Solution

The fourth proportional to 15,286.05, 22,921.92 and 5,425.11 is: 8,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,286.05 : 22,921.92 = 5,425.11 : x
  2. Step 2: Convert to fraction form
    15,286.05/22,921.92 = 5,425.11/x
  3. Step 3: Cross multiply
    15,286.05x = 22,921.92 × 5,425.11
  4. Step 4: Simplify right side
    15,286.05x = 124,353,937.41
  5. Step 5: Solve for x
    x = 124,353,937.41/15,286.05
  6. Step 6: Final answer
    x = 8,135.13

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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.