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Finding the Fourth Proportional to 11,939.52, 16,476.40 and 6,634.22

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Solution

The fourth proportional to 11,939.52, 16,476.40 and 6,634.22 is: 9,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.52 : 16,476.40 = 6,634.22 : x
  2. Step 2: Convert to fraction form
    11,939.52/16,476.40 = 6,634.22/x
  3. Step 3: Cross multiply
    11,939.52x = 16,476.40 × 6,634.22
  4. Step 4: Simplify right side
    11,939.52x = 109,308,062.41
  5. Step 5: Solve for x
    x = 109,308,062.41/11,939.52
  6. Step 6: Final answer
    x = 9,155.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.