Home / 18,819.44-25,966.32-11,743.28

Finding the Fourth Proportional to 18,819.44, 25,966.32 and 11,743.28

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Solution

The fourth proportional to 18,819.44, 25,966.32 and 11,743.28 is: 16,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819.44 : 25,966.32 = 11,743.28 : x
  2. Step 2: Convert to fraction form
    18,819.44/25,966.32 = 11,743.28/x
  3. Step 3: Cross multiply
    18,819.44x = 25,966.32 × 11,743.28
  4. Step 4: Simplify right side
    18,819.44x = 304,929,766.33
  5. Step 5: Solve for x
    x = 304,929,766.33/18,819.44
  6. Step 6: Final answer
    x = 16,202.91

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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.