Home / 11,996.28-18,000.54-8,092.50

Finding the Fourth Proportional to 11,996.28, 18,000.54 and 8,092.50

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Solution

The fourth proportional to 11,996.28, 18,000.54 and 8,092.50 is: 12,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.28 : 18,000.54 = 8,092.50 : x
  2. Step 2: Convert to fraction form
    11,996.28/18,000.54 = 8,092.50/x
  3. Step 3: Cross multiply
    11,996.28x = 18,000.54 × 8,092.50
  4. Step 4: Simplify right side
    11,996.28x = 145,669,369.95
  5. Step 5: Solve for x
    x = 145,669,369.95/11,996.28
  6. Step 6: Final answer
    x = 12,142.88

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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.