Home / 20,249.72-30,375.43-6,209.87

Finding the Fourth Proportional to 20,249.72, 30,375.43 and 6,209.87

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Solution

The fourth proportional to 20,249.72, 30,375.43 and 6,209.87 is: 9,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249.72 : 30,375.43 = 6,209.87 : x
  2. Step 2: Convert to fraction form
    20,249.72/30,375.43 = 6,209.87/x
  3. Step 3: Cross multiply
    20,249.72x = 30,375.43 × 6,209.87
  4. Step 4: Simplify right side
    20,249.72x = 188,627,321.56
  5. Step 5: Solve for x
    x = 188,627,321.56/20,249.72
  6. Step 6: Final answer
    x = 9,315.06

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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.