Home / 13,650.24-20,475.39-3,789.55

Finding the Fourth Proportional to 13,650.24, 20,475.39 and 3,789.55

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Solution

The fourth proportional to 13,650.24, 20,475.39 and 3,789.55 is: 5,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.24 : 20,475.39 = 3,789.55 : x
  2. Step 2: Convert to fraction form
    13,650.24/20,475.39 = 3,789.55/x
  3. Step 3: Cross multiply
    13,650.24x = 20,475.39 × 3,789.55
  4. Step 4: Simplify right side
    13,650.24x = 77,592,448.95
  5. Step 5: Solve for x
    x = 77,592,448.95/13,650.24
  6. Step 6: Final answer
    x = 5,684.33

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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.