Home / 18,250.21-27,375.11-7,149.02

Finding the Fourth Proportional to 18,250.21, 27,375.11 and 7,149.02

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Solution

The fourth proportional to 18,250.21, 27,375.11 and 7,149.02 is: 10,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.21 : 27,375.11 = 7,149.02 : x
  2. Step 2: Convert to fraction form
    18,250.21/27,375.11 = 7,149.02/x
  3. Step 3: Cross multiply
    18,250.21x = 27,375.11 × 7,149.02
  4. Step 4: Simplify right side
    18,250.21x = 195,705,173.15
  5. Step 5: Solve for x
    x = 195,705,173.15/18,250.21
  6. Step 6: Final answer
    x = 10,723.45

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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.