Home / 22,252.35-30,710.97-13,299.78

Finding the Fourth Proportional to 22,252.35, 30,710.97 and 13,299.78

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Solution

The fourth proportional to 22,252.35, 30,710.97 and 13,299.78 is: 18,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,252.35 : 30,710.97 = 13,299.78 : x
  2. Step 2: Convert to fraction form
    22,252.35/30,710.97 = 13,299.78/x
  3. Step 3: Cross multiply
    22,252.35x = 30,710.97 × 13,299.78
  4. Step 4: Simplify right side
    22,252.35x = 408,449,144.59
  5. Step 5: Solve for x
    x = 408,449,144.59/22,252.35
  6. Step 6: Final answer
    x = 18,355.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.