Home / 11,948.11-16,489.71-6,912.27

Finding the Fourth Proportional to 11,948.11, 16,489.71 and 6,912.27

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Solution

The fourth proportional to 11,948.11, 16,489.71 and 6,912.27 is: 9,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.11 : 16,489.71 = 6,912.27 : x
  2. Step 2: Convert to fraction form
    11,948.11/16,489.71 = 6,912.27/x
  3. Step 3: Cross multiply
    11,948.11x = 16,489.71 × 6,912.27
  4. Step 4: Simplify right side
    11,948.11x = 113,981,327.74
  5. Step 5: Solve for x
    x = 113,981,327.74/11,948.11
  6. Step 6: Final answer
    x = 9,539.70

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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.