Home / 13,524.78-20,288.33-3,530.86

Finding the Fourth Proportional to 13,524.78, 20,288.33 and 3,530.86

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Solution

The fourth proportional to 13,524.78, 20,288.33 and 3,530.86 is: 5,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.78 : 20,288.33 = 3,530.86 : x
  2. Step 2: Convert to fraction form
    13,524.78/20,288.33 = 3,530.86/x
  3. Step 3: Cross multiply
    13,524.78x = 20,288.33 × 3,530.86
  4. Step 4: Simplify right side
    13,524.78x = 71,635,197.73
  5. Step 5: Solve for x
    x = 71,635,197.73/13,524.78
  6. Step 6: Final answer
    x = 5,296.59

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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.