Home / 20,568.86-30,854.48-5,778.93

Finding the Fourth Proportional to 20,568.86, 30,854.48 and 5,778.93

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Solution

The fourth proportional to 20,568.86, 30,854.48 and 5,778.93 is: 8,668.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.86 : 30,854.48 = 5,778.93 : x
  2. Step 2: Convert to fraction form
    20,568.86/30,854.48 = 5,778.93/x
  3. Step 3: Cross multiply
    20,568.86x = 30,854.48 × 5,778.93
  4. Step 4: Simplify right side
    20,568.86x = 178,305,817.42
  5. Step 5: Solve for x
    x = 178,305,817.42/20,568.86
  6. Step 6: Final answer
    x = 8,668.73

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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.