Home / 22,181.80-33,270.80-8,141.26

Finding the Fourth Proportional to 22,181.80, 33,270.80 and 8,141.26

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Solution

The fourth proportional to 22,181.80, 33,270.80 and 8,141.26 is: 12,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.80 : 33,270.80 = 8,141.26 : x
  2. Step 2: Convert to fraction form
    22,181.80/33,270.80 = 8,141.26/x
  3. Step 3: Cross multiply
    22,181.80x = 33,270.80 × 8,141.26
  4. Step 4: Simplify right side
    22,181.80x = 270,866,233.21
  5. Step 5: Solve for x
    x = 270,866,233.21/22,181.80
  6. Step 6: Final answer
    x = 12,211.19

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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.