Home / 21,958.86-32,874.03-13,613.70

Finding the Fourth Proportional to 21,958.86, 32,874.03 and 13,613.70

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Solution

The fourth proportional to 21,958.86, 32,874.03 and 13,613.70 is: 20,380.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958.86 : 32,874.03 = 13,613.70 : x
  2. Step 2: Convert to fraction form
    21,958.86/32,874.03 = 13,613.70/x
  3. Step 3: Cross multiply
    21,958.86x = 32,874.03 × 13,613.70
  4. Step 4: Simplify right side
    21,958.86x = 447,537,182.21
  5. Step 5: Solve for x
    x = 447,537,182.21/21,958.86
  6. Step 6: Final answer
    x = 20,380.71

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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.