Home / 18,769.15-28,161.57-8,233.73

Finding the Fourth Proportional to 18,769.15, 28,161.57 and 8,233.73

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Solution

The fourth proportional to 18,769.15, 28,161.57 and 8,233.73 is: 12,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.15 : 28,161.57 = 8,233.73 : x
  2. Step 2: Convert to fraction form
    18,769.15/28,161.57 = 8,233.73/x
  3. Step 3: Cross multiply
    18,769.15x = 28,161.57 × 8,233.73
  4. Step 4: Simplify right side
    18,769.15x = 231,874,722.59
  5. Step 5: Solve for x
    x = 231,874,722.59/18,769.15
  6. Step 6: Final answer
    x = 12,354.04

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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.