Home / 22,179.80-33,267.80-8,139.26

Finding the Fourth Proportional to 22,179.80, 33,267.80 and 8,139.26

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Solution

The fourth proportional to 22,179.80, 33,267.80 and 8,139.26 is: 12,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.80 : 33,267.80 = 8,139.26 : x
  2. Step 2: Convert to fraction form
    22,179.80/33,267.80 = 8,139.26/x
  3. Step 3: Cross multiply
    22,179.80x = 33,267.80 × 8,139.26
  4. Step 4: Simplify right side
    22,179.80x = 270,775,377.35
  5. Step 5: Solve for x
    x = 270,775,377.35/22,179.80
  6. Step 6: Final answer
    x = 12,208.20

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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.