Home / 22,179.20-33,274.12-7,388.25

Finding the Fourth Proportional to 22,179.20, 33,274.12 and 7,388.25

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Solution

The fourth proportional to 22,179.20, 33,274.12 and 7,388.25 is: 11,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.20 : 33,274.12 = 7,388.25 : x
  2. Step 2: Convert to fraction form
    22,179.20/33,274.12 = 7,388.25/x
  3. Step 3: Cross multiply
    22,179.20x = 33,274.12 × 7,388.25
  4. Step 4: Simplify right side
    22,179.20x = 245,837,517.09
  5. Step 5: Solve for x
    x = 245,837,517.09/22,179.20
  6. Step 6: Final answer
    x = 11,084.15

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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.