Home / 18,206.06-27,319.70-7,675.43

Finding the Fourth Proportional to 18,206.06, 27,319.70 and 7,675.43

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Solution

The fourth proportional to 18,206.06, 27,319.70 and 7,675.43 is: 11,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.06 : 27,319.70 = 7,675.43 : x
  2. Step 2: Convert to fraction form
    18,206.06/27,319.70 = 7,675.43/x
  3. Step 3: Cross multiply
    18,206.06x = 27,319.70 × 7,675.43
  4. Step 4: Simplify right side
    18,206.06x = 209,690,444.97
  5. Step 5: Solve for x
    x = 209,690,444.97/18,206.06
  6. Step 6: Final answer
    x = 11,517.62

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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.