Home / 11,992.16-16,548.12-6,887.72

Finding the Fourth Proportional to 11,992.16, 16,548.12 and 6,887.72

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Solution

The fourth proportional to 11,992.16, 16,548.12 and 6,887.72 is: 9,504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.16 : 16,548.12 = 6,887.72 : x
  2. Step 2: Convert to fraction form
    11,992.16/16,548.12 = 6,887.72/x
  3. Step 3: Cross multiply
    11,992.16x = 16,548.12 × 6,887.72
  4. Step 4: Simplify right side
    11,992.16x = 113,978,817.09
  5. Step 5: Solve for x
    x = 113,978,817.09/11,992.16
  6. Step 6: Final answer
    x = 9,504.44

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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.