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Finding the Fourth Proportional to 18,000.94, 26,998.17 and 5,517.94

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Solution

The fourth proportional to 18,000.94, 26,998.17 and 5,517.94 is: 8,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.94 : 26,998.17 = 5,517.94 : x
  2. Step 2: Convert to fraction form
    18,000.94/26,998.17 = 5,517.94/x
  3. Step 3: Cross multiply
    18,000.94x = 26,998.17 × 5,517.94
  4. Step 4: Simplify right side
    18,000.94x = 148,974,282.17
  5. Step 5: Solve for x
    x = 148,974,282.17/18,000.94
  6. Step 6: Final answer
    x = 8,275.92

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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.