Home / 20,080.11-30,108.01-8,984.73

Finding the Fourth Proportional to 20,080.11, 30,108.01 and 8,984.73

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Solution

The fourth proportional to 20,080.11, 30,108.01 and 8,984.73 is: 13,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.11 : 30,108.01 = 8,984.73 : x
  2. Step 2: Convert to fraction form
    20,080.11/30,108.01 = 8,984.73/x
  3. Step 3: Cross multiply
    20,080.11x = 30,108.01 × 8,984.73
  4. Step 4: Simplify right side
    20,080.11x = 270,512,340.69
  5. Step 5: Solve for x
    x = 270,512,340.69/20,080.11
  6. Step 6: Final answer
    x = 13,471.66

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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.