Home / 18,200.35-27,300.49-5,721.46

Finding the Fourth Proportional to 18,200.35, 27,300.49 and 5,721.46

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Solution

The fourth proportional to 18,200.35, 27,300.49 and 5,721.46 is: 8,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.35 : 27,300.49 = 5,721.46 : x
  2. Step 2: Convert to fraction form
    18,200.35/27,300.49 = 5,721.46/x
  3. Step 3: Cross multiply
    18,200.35x = 27,300.49 × 5,721.46
  4. Step 4: Simplify right side
    18,200.35x = 156,198,687.93
  5. Step 5: Solve for x
    x = 156,198,687.93/18,200.35
  6. Step 6: Final answer
    x = 8,582.18

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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.