Home / 13,625.27-20,438.78-3,629.85

Finding the Fourth Proportional to 13,625.27, 20,438.78 and 3,629.85

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Solution

The fourth proportional to 13,625.27, 20,438.78 and 3,629.85 is: 5,445.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.27 : 20,438.78 = 3,629.85 : x
  2. Step 2: Convert to fraction form
    13,625.27/20,438.78 = 3,629.85/x
  3. Step 3: Cross multiply
    13,625.27x = 20,438.78 × 3,629.85
  4. Step 4: Simplify right side
    13,625.27x = 74,189,687.43
  5. Step 5: Solve for x
    x = 74,189,687.43/13,625.27
  6. Step 6: Final answer
    x = 5,445.01

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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.