Home / 21,600.66-29,819.97-13,651.14

Finding the Fourth Proportional to 21,600.66, 29,819.97 and 13,651.14

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Solution

The fourth proportional to 21,600.66, 29,819.97 and 13,651.14 is: 18,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.66 : 29,819.97 = 13,651.14 : x
  2. Step 2: Convert to fraction form
    21,600.66/29,819.97 = 13,651.14/x
  3. Step 3: Cross multiply
    21,600.66x = 29,819.97 × 13,651.14
  4. Step 4: Simplify right side
    21,600.66x = 407,076,585.27
  5. Step 5: Solve for x
    x = 407,076,585.27/21,600.66
  6. Step 6: Final answer
    x = 18,845.56

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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.