Home / 13,452.50-20,178.29-3,591.26

Finding the Fourth Proportional to 13,452.50, 20,178.29 and 3,591.26

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Solution

The fourth proportional to 13,452.50, 20,178.29 and 3,591.26 is: 5,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.50 : 20,178.29 = 3,591.26 : x
  2. Step 2: Convert to fraction form
    13,452.50/20,178.29 = 3,591.26/x
  3. Step 3: Cross multiply
    13,452.50x = 20,178.29 × 3,591.26
  4. Step 4: Simplify right side
    13,452.50x = 72,465,366.90
  5. Step 5: Solve for x
    x = 72,465,366.90/13,452.50
  6. Step 6: Final answer
    x = 5,386.76

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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.