Home / 22,178.20-33,272.62-7,387.25

Finding the Fourth Proportional to 22,178.20, 33,272.62 and 7,387.25

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Solution

The fourth proportional to 22,178.20, 33,272.62 and 7,387.25 is: 11,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.20 : 33,272.62 = 7,387.25 : x
  2. Step 2: Convert to fraction form
    22,178.20/33,272.62 = 7,387.25/x
  3. Step 3: Cross multiply
    22,178.20x = 33,272.62 × 7,387.25
  4. Step 4: Simplify right side
    22,178.20x = 245,793,162.10
  5. Step 5: Solve for x
    x = 245,793,162.10/22,178.20
  6. Step 6: Final answer
    x = 11,082.65

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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.