Home / 20,240.88-30,356.42-10,375.08

Finding the Fourth Proportional to 20,240.88, 30,356.42 and 10,375.08

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Solution

The fourth proportional to 20,240.88, 30,356.42 and 10,375.08 is: 15,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240.88 : 30,356.42 = 10,375.08 : x
  2. Step 2: Convert to fraction form
    20,240.88/30,356.42 = 10,375.08/x
  3. Step 3: Cross multiply
    20,240.88x = 30,356.42 × 10,375.08
  4. Step 4: Simplify right side
    20,240.88x = 314,950,286.01
  5. Step 5: Solve for x
    x = 314,950,286.01/20,240.88
  6. Step 6: Final answer
    x = 15,560.11

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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.