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Finding the Fourth Proportional to 15,171.10, 22,752.18 and 5,308.54

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Solution

The fourth proportional to 15,171.10, 22,752.18 and 5,308.54 is: 7,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.10 : 22,752.18 = 5,308.54 : x
  2. Step 2: Convert to fraction form
    15,171.10/22,752.18 = 5,308.54/x
  3. Step 3: Cross multiply
    15,171.10x = 22,752.18 × 5,308.54
  4. Step 4: Simplify right side
    15,171.10x = 120,780,857.62
  5. Step 5: Solve for x
    x = 120,780,857.62/15,171.10
  6. Step 6: Final answer
    x = 7,961.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.