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Finding the Fourth Proportional to 12,061.96, 18,092.95 and 6,517.91

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Solution

The fourth proportional to 12,061.96, 18,092.95 and 6,517.91 is: 9,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061.96 : 18,092.95 = 6,517.91 : x
  2. Step 2: Convert to fraction form
    12,061.96/18,092.95 = 6,517.91/x
  3. Step 3: Cross multiply
    12,061.96x = 18,092.95 × 6,517.91
  4. Step 4: Simplify right side
    12,061.96x = 117,928,248.67
  5. Step 5: Solve for x
    x = 117,928,248.67/12,061.96
  6. Step 6: Final answer
    x = 9,776.87

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1.5x scale

Why These Related Problems?

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