Home / 11,711.24-16,166.78-7,467.99

Finding the Fourth Proportional to 11,711.24, 16,166.78 and 7,467.99

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Solution

The fourth proportional to 11,711.24, 16,166.78 and 7,467.99 is: 10,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.24 : 16,166.78 = 7,467.99 : x
  2. Step 2: Convert to fraction form
    11,711.24/16,166.78 = 7,467.99/x
  3. Step 3: Cross multiply
    11,711.24x = 16,166.78 × 7,467.99
  4. Step 4: Simplify right side
    11,711.24x = 120,733,370.04
  5. Step 5: Solve for x
    x = 120,733,370.04/11,711.24
  6. Step 6: Final answer
    x = 10,309.19

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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.