Home / 22,180.35-33,266.03-8,135.60

Finding the Fourth Proportional to 22,180.35, 33,266.03 and 8,135.60

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Solution

The fourth proportional to 22,180.35, 33,266.03 and 8,135.60 is: 12,201.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180.35 : 33,266.03 = 8,135.60 : x
  2. Step 2: Convert to fraction form
    22,180.35/33,266.03 = 8,135.60/x
  3. Step 3: Cross multiply
    22,180.35x = 33,266.03 × 8,135.60
  4. Step 4: Simplify right side
    22,180.35x = 270,639,139.54
  5. Step 5: Solve for x
    x = 270,639,139.54/22,180.35
  6. Step 6: Final answer
    x = 12,201.75

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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.