Home / 13,669.38-20,504.09-3,808.92

Finding the Fourth Proportional to 13,669.38, 20,504.09 and 3,808.92

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Solution

The fourth proportional to 13,669.38, 20,504.09 and 3,808.92 is: 5,713.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.38 : 20,504.09 = 3,808.92 : x
  2. Step 2: Convert to fraction form
    13,669.38/20,504.09 = 3,808.92/x
  3. Step 3: Cross multiply
    13,669.38x = 20,504.09 × 3,808.92
  4. Step 4: Simplify right side
    13,669.38x = 78,098,503.47
  5. Step 5: Solve for x
    x = 78,098,503.47/13,669.38
  6. Step 6: Final answer
    x = 5,713.39

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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.