Home / 22,120.87-33,162.22-10,425.91

Finding the Fourth Proportional to 22,120.87, 33,162.22 and 10,425.91

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Solution

The fourth proportional to 22,120.87, 33,162.22 and 10,425.91 is: 15,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.87 : 33,162.22 = 10,425.91 : x
  2. Step 2: Convert to fraction form
    22,120.87/33,162.22 = 10,425.91/x
  3. Step 3: Cross multiply
    22,120.87x = 33,162.22 × 10,425.91
  4. Step 4: Simplify right side
    22,120.87x = 345,746,321.12
  5. Step 5: Solve for x
    x = 345,746,321.12/22,120.87
  6. Step 6: Final answer
    x = 15,629.87

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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.