Home / 13,557.38-20,333.77-3,694.34

Finding the Fourth Proportional to 13,557.38, 20,333.77 and 3,694.34

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Solution

The fourth proportional to 13,557.38, 20,333.77 and 3,694.34 is: 5,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.38 : 20,333.77 = 3,694.34 : x
  2. Step 2: Convert to fraction form
    13,557.38/20,333.77 = 3,694.34/x
  3. Step 3: Cross multiply
    13,557.38x = 20,333.77 × 3,694.34
  4. Step 4: Simplify right side
    13,557.38x = 75,119,901.46
  5. Step 5: Solve for x
    x = 75,119,901.46/13,557.38
  6. Step 6: Final answer
    x = 5,540.89

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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.