Home / 18,000.64-26,992.59-5,517.46

Finding the Fourth Proportional to 18,000.64, 26,992.59 and 5,517.46

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Solution

The fourth proportional to 18,000.64, 26,992.59 and 5,517.46 is: 8,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.64 : 26,992.59 = 5,517.46 : x
  2. Step 2: Convert to fraction form
    18,000.64/26,992.59 = 5,517.46/x
  3. Step 3: Cross multiply
    18,000.64x = 26,992.59 × 5,517.46
  4. Step 4: Simplify right side
    18,000.64x = 148,930,535.62
  5. Step 5: Solve for x
    x = 148,930,535.62/18,000.64
  6. Step 6: Final answer
    x = 8,273.62

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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.