Home / 22,258.62-33,388.97-12,390.46

Finding the Fourth Proportional to 22,258.62, 33,388.97 and 12,390.46

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Solution

The fourth proportional to 22,258.62, 33,388.97 and 12,390.46 is: 18,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.62 : 33,388.97 = 12,390.46 : x
  2. Step 2: Convert to fraction form
    22,258.62/33,388.97 = 12,390.46/x
  3. Step 3: Cross multiply
    22,258.62x = 33,388.97 × 12,390.46
  4. Step 4: Simplify right side
    22,258.62x = 413,704,551.80
  5. Step 5: Solve for x
    x = 413,704,551.80/22,258.62
  6. Step 6: Final answer
    x = 18,586.26

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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.