Home / 22,220.41-33,338.85-10,380.87

Finding the Fourth Proportional to 22,220.41, 33,338.85 and 10,380.87

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Solution

The fourth proportional to 22,220.41, 33,338.85 and 10,380.87 is: 15,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.41 : 33,338.85 = 10,380.87 : x
  2. Step 2: Convert to fraction form
    22,220.41/33,338.85 = 10,380.87/x
  3. Step 3: Cross multiply
    22,220.41x = 33,338.85 × 10,380.87
  4. Step 4: Simplify right side
    22,220.41x = 346,086,267.80
  5. Step 5: Solve for x
    x = 346,086,267.80/22,220.41
  6. Step 6: Final answer
    x = 15,575.15

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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.