Home / 20,240.08-30,366.85-8,993.86

Finding the Fourth Proportional to 20,240.08, 30,366.85 and 8,993.86

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Solution

The fourth proportional to 20,240.08, 30,366.85 and 8,993.86 is: 13,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240.08 : 30,366.85 = 8,993.86 : x
  2. Step 2: Convert to fraction form
    20,240.08/30,366.85 = 8,993.86/x
  3. Step 3: Cross multiply
    20,240.08x = 30,366.85 × 8,993.86
  4. Step 4: Simplify right side
    20,240.08x = 273,115,197.54
  5. Step 5: Solve for x
    x = 273,115,197.54/20,240.08
  6. Step 6: Final answer
    x = 13,493.78

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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.