Home / 22,090.20-33,135.30-11,722.20

Finding the Fourth Proportional to 22,090.20, 33,135.30 and 11,722.20

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Solution

The fourth proportional to 22,090.20, 33,135.30 and 11,722.20 is: 17,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,090.20 : 33,135.30 = 11,722.20 : x
  2. Step 2: Convert to fraction form
    22,090.20/33,135.30 = 11,722.20/x
  3. Step 3: Cross multiply
    22,090.20x = 33,135.30 × 11,722.20
  4. Step 4: Simplify right side
    22,090.20x = 388,418,613.66
  5. Step 5: Solve for x
    x = 388,418,613.66/22,090.20
  6. Step 6: Final answer
    x = 17,583.30

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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.