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Finding the Fourth Proportional to 11,494.86, 17,241.84 and 3,286.86

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Solution

The fourth proportional to 11,494.86, 17,241.84 and 3,286.86 is: 4,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,494.86 : 17,241.84 = 3,286.86 : x
  2. Step 2: Convert to fraction form
    11,494.86/17,241.84 = 3,286.86/x
  3. Step 3: Cross multiply
    11,494.86x = 17,241.84 × 3,286.86
  4. Step 4: Simplify right side
    11,494.86x = 56,671,514.22
  5. Step 5: Solve for x
    x = 56,671,514.22/11,494.86
  6. Step 6: Final answer
    x = 4,930.16

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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.