Home / 13,893.19-20,839.82-3,504.94

Finding the Fourth Proportional to 13,893.19, 20,839.82 and 3,504.94

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Solution

The fourth proportional to 13,893.19, 20,839.82 and 3,504.94 is: 5,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.19 : 20,839.82 = 3,504.94 : x
  2. Step 2: Convert to fraction form
    13,893.19/20,839.82 = 3,504.94/x
  3. Step 3: Cross multiply
    13,893.19x = 20,839.82 × 3,504.94
  4. Step 4: Simplify right side
    13,893.19x = 73,042,249.09
  5. Step 5: Solve for x
    x = 73,042,249.09/13,893.19
  6. Step 6: Final answer
    x = 5,257.41

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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.