Home / 20,104.24-30,147.56-8,249.88

Finding the Fourth Proportional to 20,104.24, 30,147.56 and 8,249.88

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Solution

The fourth proportional to 20,104.24, 30,147.56 and 8,249.88 is: 12,371.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.24 : 30,147.56 = 8,249.88 : x
  2. Step 2: Convert to fraction form
    20,104.24/30,147.56 = 8,249.88/x
  3. Step 3: Cross multiply
    20,104.24x = 30,147.56 × 8,249.88
  4. Step 4: Simplify right side
    20,104.24x = 248,713,752.29
  5. Step 5: Solve for x
    x = 248,713,752.29/20,104.24
  6. Step 6: Final answer
    x = 12,371.21

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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.