Home / 11,145.23-16,717.67-2,711.81

Finding the Fourth Proportional to 11,145.23, 16,717.67 and 2,711.81

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Solution

The fourth proportional to 11,145.23, 16,717.67 and 2,711.81 is: 4,067.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.23 : 16,717.67 = 2,711.81 : x
  2. Step 2: Convert to fraction form
    11,145.23/16,717.67 = 2,711.81/x
  3. Step 3: Cross multiply
    11,145.23x = 16,717.67 × 2,711.81
  4. Step 4: Simplify right side
    11,145.23x = 45,335,193.26
  5. Step 5: Solve for x
    x = 45,335,193.26/11,145.23
  6. Step 6: Final answer
    x = 4,067.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.