Home / 18,999.06-28,504.35-13,463.13

Finding the Fourth Proportional to 18,999.06, 28,504.35 and 13,463.13

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Solution

The fourth proportional to 18,999.06, 28,504.35 and 13,463.13 is: 20,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.06 : 28,504.35 = 13,463.13 : x
  2. Step 2: Convert to fraction form
    18,999.06/28,504.35 = 13,463.13/x
  3. Step 3: Cross multiply
    18,999.06x = 28,504.35 × 13,463.13
  4. Step 4: Simplify right side
    18,999.06x = 383,757,769.62
  5. Step 5: Solve for x
    x = 383,757,769.62/18,999.06
  6. Step 6: Final answer
    x = 20,198.78

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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.