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Finding the Fourth Proportional to 12,681.66, 17,500.69 and 7,092.66

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Solution

The fourth proportional to 12,681.66, 17,500.69 and 7,092.66 is: 9,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681.66 : 17,500.69 = 7,092.66 : x
  2. Step 2: Convert to fraction form
    12,681.66/17,500.69 = 7,092.66/x
  3. Step 3: Cross multiply
    12,681.66x = 17,500.69 × 7,092.66
  4. Step 4: Simplify right side
    12,681.66x = 124,126,443.94
  5. Step 5: Solve for x
    x = 124,126,443.94/12,681.66
  6. Step 6: Final answer
    x = 9,787.87

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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.