Home / 22,189.80-33,201.33-13,272.33

Finding the Fourth Proportional to 22,189.80, 33,201.33 and 13,272.33

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Solution

The fourth proportional to 22,189.80, 33,201.33 and 13,272.33 is: 19,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189.80 : 33,201.33 = 13,272.33 : x
  2. Step 2: Convert to fraction form
    22,189.80/33,201.33 = 13,272.33/x
  3. Step 3: Cross multiply
    22,189.80x = 33,201.33 × 13,272.33
  4. Step 4: Simplify right side
    22,189.80x = 440,659,008.20
  5. Step 5: Solve for x
    x = 440,659,008.20/22,189.80
  6. Step 6: Final answer
    x = 19,858.63

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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.