Home / 11,771.73-17,655.65-3,874.35

Finding the Fourth Proportional to 11,771.73, 17,655.65 and 3,874.35

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Solution

The fourth proportional to 11,771.73, 17,655.65 and 3,874.35 is: 5,810.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.73 : 17,655.65 = 3,874.35 : x
  2. Step 2: Convert to fraction form
    11,771.73/17,655.65 = 3,874.35/x
  3. Step 3: Cross multiply
    11,771.73x = 17,655.65 × 3,874.35
  4. Step 4: Simplify right side
    11,771.73x = 68,404,151.42
  5. Step 5: Solve for x
    x = 68,404,151.42/11,771.73
  6. Step 6: Final answer
    x = 5,810.88

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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.