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Finding the Fourth Proportional to 12,132.84, 16,744.02 and 8,092.68

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Solution

The fourth proportional to 12,132.84, 16,744.02 and 8,092.68 is: 11,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.84 : 16,744.02 = 8,092.68 : x
  2. Step 2: Convert to fraction form
    12,132.84/16,744.02 = 8,092.68/x
  3. Step 3: Cross multiply
    12,132.84x = 16,744.02 × 8,092.68
  4. Step 4: Simplify right side
    12,132.84x = 135,503,995.77
  5. Step 5: Solve for x
    x = 135,503,995.77/12,132.84
  6. Step 6: Final answer
    x = 11,168.37

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1.5x scale

Why These Related Problems?

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