Home / 22,107.78-33,126.84-13,201.29

Finding the Fourth Proportional to 22,107.78, 33,126.84 and 13,201.29

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Solution

The fourth proportional to 22,107.78, 33,126.84 and 13,201.29 is: 19,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.78 : 33,126.84 = 13,201.29 : x
  2. Step 2: Convert to fraction form
    22,107.78/33,126.84 = 13,201.29/x
  3. Step 3: Cross multiply
    22,107.78x = 33,126.84 × 13,201.29
  4. Step 4: Simplify right side
    22,107.78x = 437,317,021.62
  5. Step 5: Solve for x
    x = 437,317,021.62/22,107.78
  6. Step 6: Final answer
    x = 19,781.14

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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.