Home / 18,806.27-28,207.92-9,436.73

Finding the Fourth Proportional to 18,806.27, 28,207.92 and 9,436.73

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Solution

The fourth proportional to 18,806.27, 28,207.92 and 9,436.73 is: 14,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.27 : 28,207.92 = 9,436.73 : x
  2. Step 2: Convert to fraction form
    18,806.27/28,207.92 = 9,436.73/x
  3. Step 3: Cross multiply
    18,806.27x = 28,207.92 × 9,436.73
  4. Step 4: Simplify right side
    18,806.27x = 266,190,524.90
  5. Step 5: Solve for x
    x = 266,190,524.90/18,806.27
  6. Step 6: Final answer
    x = 14,154.35

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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.