Home / 21,608.20-29,819.22-12,047.97

Finding the Fourth Proportional to 21,608.20, 29,819.22 and 12,047.97

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Solution

The fourth proportional to 21,608.20, 29,819.22 and 12,047.97 is: 16,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.20 : 29,819.22 = 12,047.97 : x
  2. Step 2: Convert to fraction form
    21,608.20/29,819.22 = 12,047.97/x
  3. Step 3: Cross multiply
    21,608.20x = 29,819.22 × 12,047.97
  4. Step 4: Simplify right side
    21,608.20x = 359,261,067.98
  5. Step 5: Solve for x
    x = 359,261,067.98/21,608.20
  6. Step 6: Final answer
    x = 16,626.15

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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.