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Finding the Fourth Proportional to 11,774.52, 17,661.90 and 3,877.56

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Solution

The fourth proportional to 11,774.52, 17,661.90 and 3,877.56 is: 5,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774.52 : 17,661.90 = 3,877.56 : x
  2. Step 2: Convert to fraction form
    11,774.52/17,661.90 = 3,877.56/x
  3. Step 3: Cross multiply
    11,774.52x = 17,661.90 × 3,877.56
  4. Step 4: Simplify right side
    11,774.52x = 68,485,076.96
  5. Step 5: Solve for x
    x = 68,485,076.96/11,774.52
  6. Step 6: Final answer
    x = 5,816.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.