Home / 15,302.38-22,955.88-5,439.31

Finding the Fourth Proportional to 15,302.38, 22,955.88 and 5,439.31

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Solution

The fourth proportional to 15,302.38, 22,955.88 and 5,439.31 is: 8,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,302.38 : 22,955.88 = 5,439.31 : x
  2. Step 2: Convert to fraction form
    15,302.38/22,955.88 = 5,439.31/x
  3. Step 3: Cross multiply
    15,302.38x = 22,955.88 × 5,439.31
  4. Step 4: Simplify right side
    15,302.38x = 124,864,147.64
  5. Step 5: Solve for x
    x = 124,864,147.64/15,302.38
  6. Step 6: Final answer
    x = 8,159.79

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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.