Home / 20,202.92-27,879.91-11,819.24

Finding the Fourth Proportional to 20,202.92, 27,879.91 and 11,819.24

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Solution

The fourth proportional to 20,202.92, 27,879.91 and 11,819.24 is: 16,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.92 : 27,879.91 = 11,819.24 : x
  2. Step 2: Convert to fraction form
    20,202.92/27,879.91 = 11,819.24/x
  3. Step 3: Cross multiply
    20,202.92x = 27,879.91 × 11,819.24
  4. Step 4: Simplify right side
    20,202.92x = 329,519,347.47
  5. Step 5: Solve for x
    x = 329,519,347.47/20,202.92
  6. Step 6: Final answer
    x = 16,310.48

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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.