Home / 20,201.94-27,876.69-11,249.10

Finding the Fourth Proportional to 20,201.94, 27,876.69 and 11,249.10

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Solution

The fourth proportional to 20,201.94, 27,876.69 and 11,249.10 is: 15,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201.94 : 27,876.69 = 11,249.10 : x
  2. Step 2: Convert to fraction form
    20,201.94/27,876.69 = 11,249.10/x
  3. Step 3: Cross multiply
    20,201.94x = 27,876.69 × 11,249.10
  4. Step 4: Simplify right side
    20,201.94x = 313,587,673.48
  5. Step 5: Solve for x
    x = 313,587,673.48/20,201.94
  6. Step 6: Final answer
    x = 15,522.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.