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Finding the Fourth Proportional to 9,385.25, 12,951.65 and 5,194.13

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Solution

The fourth proportional to 9,385.25, 12,951.65 and 5,194.13 is: 7,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.25 : 12,951.65 = 5,194.13 : x
  2. Step 2: Convert to fraction form
    9,385.25/12,951.65 = 5,194.13/x
  3. Step 3: Cross multiply
    9,385.25x = 12,951.65 × 5,194.13
  4. Step 4: Simplify right side
    9,385.25x = 67,272,527.84
  5. Step 5: Solve for x
    x = 67,272,527.84/9,385.25
  6. Step 6: Final answer
    x = 7,167.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.