Home / 15,318.16-22,979.44-5,454.56

Finding the Fourth Proportional to 15,318.16, 22,979.44 and 5,454.56

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Solution

The fourth proportional to 15,318.16, 22,979.44 and 5,454.56 is: 8,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318.16 : 22,979.44 = 5,454.56 : x
  2. Step 2: Convert to fraction form
    15,318.16/22,979.44 = 5,454.56/x
  3. Step 3: Cross multiply
    15,318.16x = 22,979.44 × 5,454.56
  4. Step 4: Simplify right side
    15,318.16x = 125,342,734.25
  5. Step 5: Solve for x
    x = 125,342,734.25/15,318.16
  6. Step 6: Final answer
    x = 8,182.62

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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.