Home / 13,847.42-20,766.68-5,947.79

Finding the Fourth Proportional to 13,847.42, 20,766.68 and 5,947.79

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Solution

The fourth proportional to 13,847.42, 20,766.68 and 5,947.79 is: 8,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.42 : 20,766.68 = 5,947.79 : x
  2. Step 2: Convert to fraction form
    13,847.42/20,766.68 = 5,947.79/x
  3. Step 3: Cross multiply
    13,847.42x = 20,766.68 × 5,947.79
  4. Step 4: Simplify right side
    13,847.42x = 123,515,851.64
  5. Step 5: Solve for x
    x = 123,515,851.64/13,847.42
  6. Step 6: Final answer
    x = 8,919.78

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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.