Home / 20,192.52-27,866.16-11,240.88

Finding the Fourth Proportional to 20,192.52, 27,866.16 and 11,240.88

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Solution

The fourth proportional to 20,192.52, 27,866.16 and 11,240.88 is: 15,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.52 : 27,866.16 = 11,240.88 : x
  2. Step 2: Convert to fraction form
    20,192.52/27,866.16 = 11,240.88/x
  3. Step 3: Cross multiply
    20,192.52x = 27,866.16 × 11,240.88
  4. Step 4: Simplify right side
    20,192.52x = 313,240,160.62
  5. Step 5: Solve for x
    x = 313,240,160.62/20,192.52
  6. Step 6: Final answer
    x = 15,512.68

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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.