Home / 13,660.55-20,493.92-4,173.73

Finding the Fourth Proportional to 13,660.55, 20,493.92 and 4,173.73

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Solution

The fourth proportional to 13,660.55, 20,493.92 and 4,173.73 is: 6,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.55 : 20,493.92 = 4,173.73 : x
  2. Step 2: Convert to fraction form
    13,660.55/20,493.92 = 4,173.73/x
  3. Step 3: Cross multiply
    13,660.55x = 20,493.92 × 4,173.73
  4. Step 4: Simplify right side
    13,660.55x = 85,535,965.38
  5. Step 5: Solve for x
    x = 85,535,965.38/13,660.55
  6. Step 6: Final answer
    x = 6,261.53

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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.