Home / 13,862.77-20,794.19-3,474.55

Finding the Fourth Proportional to 13,862.77, 20,794.19 and 3,474.55

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Solution

The fourth proportional to 13,862.77, 20,794.19 and 3,474.55 is: 5,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.77 : 20,794.19 = 3,474.55 : x
  2. Step 2: Convert to fraction form
    13,862.77/20,794.19 = 3,474.55/x
  3. Step 3: Cross multiply
    13,862.77x = 20,794.19 × 3,474.55
  4. Step 4: Simplify right side
    13,862.77x = 72,250,452.86
  5. Step 5: Solve for x
    x = 72,250,452.86/13,862.77
  6. Step 6: Final answer
    x = 5,211.83

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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.