Home / 13,766.44-20,647.68-3,906.60

Finding the Fourth Proportional to 13,766.44, 20,647.68 and 3,906.60

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Solution

The fourth proportional to 13,766.44, 20,647.68 and 3,906.60 is: 5,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.44 : 20,647.68 = 3,906.60 : x
  2. Step 2: Convert to fraction form
    13,766.44/20,647.68 = 3,906.60/x
  3. Step 3: Cross multiply
    13,766.44x = 20,647.68 × 3,906.60
  4. Step 4: Simplify right side
    13,766.44x = 80,662,226.69
  5. Step 5: Solve for x
    x = 80,662,226.69/13,766.44
  6. Step 6: Final answer
    x = 5,859.34

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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.