Home / 11,819.28-17,728.86-4,799.18

Finding the Fourth Proportional to 11,819.28, 17,728.86 and 4,799.18

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Solution

The fourth proportional to 11,819.28, 17,728.86 and 4,799.18 is: 7,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.28 : 17,728.86 = 4,799.18 : x
  2. Step 2: Convert to fraction form
    11,819.28/17,728.86 = 4,799.18/x
  3. Step 3: Cross multiply
    11,819.28x = 17,728.86 × 4,799.18
  4. Step 4: Simplify right side
    11,819.28x = 85,083,990.33
  5. Step 5: Solve for x
    x = 85,083,990.33/11,819.28
  6. Step 6: Final answer
    x = 7,198.75

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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.