Home / 18,738.35-28,098.02-6,253.91

Finding the Fourth Proportional to 18,738.35, 28,098.02 and 6,253.91

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Solution

The fourth proportional to 18,738.35, 28,098.02 and 6,253.91 is: 9,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.35 : 28,098.02 = 6,253.91 : x
  2. Step 2: Convert to fraction form
    18,738.35/28,098.02 = 6,253.91/x
  3. Step 3: Cross multiply
    18,738.35x = 28,098.02 × 6,253.91
  4. Step 4: Simplify right side
    18,738.35x = 175,722,363.40
  5. Step 5: Solve for x
    x = 175,722,363.40/18,738.35
  6. Step 6: Final answer
    x = 9,377.69

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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.