Home / 18,729.56-28,091.46-6,249.80

Finding the Fourth Proportional to 18,729.56, 28,091.46 and 6,249.80

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Solution

The fourth proportional to 18,729.56, 28,091.46 and 6,249.80 is: 9,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.56 : 28,091.46 = 6,249.80 : x
  2. Step 2: Convert to fraction form
    18,729.56/28,091.46 = 6,249.80/x
  3. Step 3: Cross multiply
    18,729.56x = 28,091.46 × 6,249.80
  4. Step 4: Simplify right side
    18,729.56x = 175,566,006.71
  5. Step 5: Solve for x
    x = 175,566,006.71/18,729.56
  6. Step 6: Final answer
    x = 9,373.74

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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.