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Finding the Fourth Proportional to 10,175.63, 15,332.78 and 8,367.25

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Solution

The fourth proportional to 10,175.63, 15,332.78 and 8,367.25 is: 12,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.63 : 15,332.78 = 8,367.25 : x
  2. Step 2: Convert to fraction form
    10,175.63/15,332.78 = 8,367.25/x
  3. Step 3: Cross multiply
    10,175.63x = 15,332.78 × 8,367.25
  4. Step 4: Simplify right side
    10,175.63x = 128,293,161.62
  5. Step 5: Solve for x
    x = 128,293,161.62/10,175.63
  6. Step 6: Final answer
    x = 12,607.88

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.