Home / 18,732.48-28,089.34-6,248.22

Finding the Fourth Proportional to 18,732.48, 28,089.34 and 6,248.22

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Solution

The fourth proportional to 18,732.48, 28,089.34 and 6,248.22 is: 9,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.48 : 28,089.34 = 6,248.22 : x
  2. Step 2: Convert to fraction form
    18,732.48/28,089.34 = 6,248.22/x
  3. Step 3: Cross multiply
    18,732.48x = 28,089.34 × 6,248.22
  4. Step 4: Simplify right side
    18,732.48x = 175,508,375.97
  5. Step 5: Solve for x
    x = 175,508,375.97/18,732.48
  6. Step 6: Final answer
    x = 9,369.20

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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.