Home / 22,251.40-33,366.30-12,380.20

Finding the Fourth Proportional to 22,251.40, 33,366.30 and 12,380.20

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Solution

The fourth proportional to 22,251.40, 33,366.30 and 12,380.20 is: 18,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,251.40 : 33,366.30 = 12,380.20 : x
  2. Step 2: Convert to fraction form
    22,251.40/33,366.30 = 12,380.20/x
  3. Step 3: Cross multiply
    22,251.40x = 33,366.30 × 12,380.20
  4. Step 4: Simplify right side
    22,251.40x = 413,081,467.26
  5. Step 5: Solve for x
    x = 413,081,467.26/22,251.40
  6. Step 6: Final answer
    x = 18,564.29

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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.