Home / 13,427.57-20,141.66-3,567.85

Finding the Fourth Proportional to 13,427.57, 20,141.66 and 3,567.85

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Solution

The fourth proportional to 13,427.57, 20,141.66 and 3,567.85 is: 5,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.57 : 20,141.66 = 3,567.85 : x
  2. Step 2: Convert to fraction form
    13,427.57/20,141.66 = 3,567.85/x
  3. Step 3: Cross multiply
    13,427.57x = 20,141.66 × 3,567.85
  4. Step 4: Simplify right side
    13,427.57x = 71,862,380.20
  5. Step 5: Solve for x
    x = 71,862,380.20/13,427.57
  6. Step 6: Final answer
    x = 5,351.85

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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.