Home / 14,504.94-20,016.60-8,131.56

Finding the Fourth Proportional to 14,504.94, 20,016.60 and 8,131.56

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Solution

The fourth proportional to 14,504.94, 20,016.60 and 8,131.56 is: 11,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504.94 : 20,016.60 = 8,131.56 : x
  2. Step 2: Convert to fraction form
    14,504.94/20,016.60 = 8,131.56/x
  3. Step 3: Cross multiply
    14,504.94x = 20,016.60 × 8,131.56
  4. Step 4: Simplify right side
    14,504.94x = 162,766,183.90
  5. Step 5: Solve for x
    x = 162,766,183.90/14,504.94
  6. Step 6: Final answer
    x = 11,221.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.