Home / 11,995.11-16,553.43-6,690.33

Finding the Fourth Proportional to 11,995.11, 16,553.43 and 6,690.33

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Solution

The fourth proportional to 11,995.11, 16,553.43 and 6,690.33 is: 9,232.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.11 : 16,553.43 = 6,690.33 : x
  2. Step 2: Convert to fraction form
    11,995.11/16,553.43 = 6,690.33/x
  3. Step 3: Cross multiply
    11,995.11x = 16,553.43 × 6,690.33
  4. Step 4: Simplify right side
    11,995.11x = 110,747,909.33
  5. Step 5: Solve for x
    x = 110,747,909.33/11,995.11
  6. Step 6: Final answer
    x = 9,232.75

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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.