Home / 20,080.46-30,139.39-10,227.15

Finding the Fourth Proportional to 20,080.46, 30,139.39 and 10,227.15

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Solution

The fourth proportional to 20,080.46, 30,139.39 and 10,227.15 is: 15,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.46 : 30,139.39 = 10,227.15 : x
  2. Step 2: Convert to fraction form
    20,080.46/30,139.39 = 10,227.15/x
  3. Step 3: Cross multiply
    20,080.46x = 30,139.39 × 10,227.15
  4. Step 4: Simplify right side
    20,080.46x = 308,240,062.44
  5. Step 5: Solve for x
    x = 308,240,062.44/20,080.46
  6. Step 6: Final answer
    x = 15,350.25

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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.