Home / 11,968.11-16,516.27-6,663.28

Finding the Fourth Proportional to 11,968.11, 16,516.27 and 6,663.28

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Solution

The fourth proportional to 11,968.11, 16,516.27 and 6,663.28 is: 9,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.11 : 16,516.27 = 6,663.28 : x
  2. Step 2: Convert to fraction form
    11,968.11/16,516.27 = 6,663.28/x
  3. Step 3: Cross multiply
    11,968.11x = 16,516.27 × 6,663.28
  4. Step 4: Simplify right side
    11,968.11x = 110,052,531.57
  5. Step 5: Solve for x
    x = 110,052,531.57/11,968.11
  6. Step 6: Final answer
    x = 9,195.48

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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.