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Finding the Fourth Proportional to 11,675.31, 16,112.40 and 6,370.41

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Solution

The fourth proportional to 11,675.31, 16,112.40 and 6,370.41 is: 8,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.31 : 16,112.40 = 6,370.41 : x
  2. Step 2: Convert to fraction form
    11,675.31/16,112.40 = 6,370.41/x
  3. Step 3: Cross multiply
    11,675.31x = 16,112.40 × 6,370.41
  4. Step 4: Simplify right side
    11,675.31x = 102,642,594.08
  5. Step 5: Solve for x
    x = 102,642,594.08/11,675.31
  6. Step 6: Final answer
    x = 8,791.42

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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.