Home / 12,086.28-18,076.50-11,200.68

Finding the Fourth Proportional to 12,086.28, 18,076.50 and 11,200.68

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Solution

The fourth proportional to 12,086.28, 18,076.50 and 11,200.68 is: 16,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,086.28 : 18,076.50 = 11,200.68 : x
  2. Step 2: Convert to fraction form
    12,086.28/18,076.50 = 11,200.68/x
  3. Step 3: Cross multiply
    12,086.28x = 18,076.50 × 11,200.68
  4. Step 4: Simplify right side
    12,086.28x = 202,469,092.02
  5. Step 5: Solve for x
    x = 202,469,092.02/12,086.28
  6. Step 6: Final answer
    x = 16,751.98

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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.