Home / 18,683.20-28,024.80-8,841.70

Finding the Fourth Proportional to 18,683.20, 28,024.80 and 8,841.70

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Solution

The fourth proportional to 18,683.20, 28,024.80 and 8,841.70 is: 13,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.20 : 28,024.80 = 8,841.70 : x
  2. Step 2: Convert to fraction form
    18,683.20/28,024.80 = 8,841.70/x
  3. Step 3: Cross multiply
    18,683.20x = 28,024.80 × 8,841.70
  4. Step 4: Simplify right side
    18,683.20x = 247,786,874.16
  5. Step 5: Solve for x
    x = 247,786,874.16/18,683.20
  6. Step 6: Final answer
    x = 13,262.55

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Similar ratio
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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.