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Finding the Fourth Proportional to 12,473.28, 17,212.44 and 7,757.52

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Solution

The fourth proportional to 12,473.28, 17,212.44 and 7,757.52 is: 10,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.28 : 17,212.44 = 7,757.52 : x
  2. Step 2: Convert to fraction form
    12,473.28/17,212.44 = 7,757.52/x
  3. Step 3: Cross multiply
    12,473.28x = 17,212.44 × 7,757.52
  4. Step 4: Simplify right side
    12,473.28x = 133,525,847.55
  5. Step 5: Solve for x
    x = 133,525,847.55/12,473.28
  6. Step 6: Final answer
    x = 10,704.95

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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.