Home / 11,691.66-16,133.04-6,975

Finding the Fourth Proportional to 11,691.66, 16,133.04 and 6,975

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Solution

The fourth proportional to 11,691.66, 16,133.04 and 6,975 is: 9,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.66 : 16,133.04 = 6,975 : x
  2. Step 2: Convert to fraction form
    11,691.66/16,133.04 = 6,975/x
  3. Step 3: Cross multiply
    11,691.66x = 16,133.04 × 6,975
  4. Step 4: Simplify right side
    11,691.66x = 112,527,954
  5. Step 5: Solve for x
    x = 112,527,954/11,691.66
  6. Step 6: Final answer
    x = 9,624.63

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Why These Related Problems?

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