Home / 15,319.84-22,979.52-8,731.96

Finding the Fourth Proportional to 15,319.84, 22,979.52 and 8,731.96

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Solution

The fourth proportional to 15,319.84, 22,979.52 and 8,731.96 is: 13,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.84 : 22,979.52 = 8,731.96 : x
  2. Step 2: Convert to fraction form
    15,319.84/22,979.52 = 8,731.96/x
  3. Step 3: Cross multiply
    15,319.84x = 22,979.52 × 8,731.96
  4. Step 4: Simplify right side
    15,319.84x = 200,656,249.46
  5. Step 5: Solve for x
    x = 200,656,249.46/15,319.84
  6. Step 6: Final answer
    x = 13,097.80

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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.