Home / 13,630.33-20,447.92-3,769.39

Finding the Fourth Proportional to 13,630.33, 20,447.92 and 3,769.39

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Solution

The fourth proportional to 13,630.33, 20,447.92 and 3,769.39 is: 5,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630.33 : 20,447.92 = 3,769.39 : x
  2. Step 2: Convert to fraction form
    13,630.33/20,447.92 = 3,769.39/x
  3. Step 3: Cross multiply
    13,630.33x = 20,447.92 × 3,769.39
  4. Step 4: Simplify right side
    13,630.33x = 77,076,082.93
  5. Step 5: Solve for x
    x = 77,076,082.93/13,630.33
  6. Step 6: Final answer
    x = 5,654.75

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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.