Home / 15,318.44-22,979.82-5,455.61

Finding the Fourth Proportional to 15,318.44, 22,979.82 and 5,455.61

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Solution

The fourth proportional to 15,318.44, 22,979.82 and 5,455.61 is: 8,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318.44 : 22,979.82 = 5,455.61 : x
  2. Step 2: Convert to fraction form
    15,318.44/22,979.82 = 5,455.61/x
  3. Step 3: Cross multiply
    15,318.44x = 22,979.82 × 5,455.61
  4. Step 4: Simplify right side
    15,318.44x = 125,368,935.79
  5. Step 5: Solve for x
    x = 125,368,935.79/15,318.44
  6. Step 6: Final answer
    x = 8,184.18

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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.