Home / 11,101.12-16,651.68-3,606.19

Finding the Fourth Proportional to 11,101.12, 16,651.68 and 3,606.19

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Solution

The fourth proportional to 11,101.12, 16,651.68 and 3,606.19 is: 5,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.12 : 16,651.68 = 3,606.19 : x
  2. Step 2: Convert to fraction form
    11,101.12/16,651.68 = 3,606.19/x
  3. Step 3: Cross multiply
    11,101.12x = 16,651.68 × 3,606.19
  4. Step 4: Simplify right side
    11,101.12x = 60,049,121.90
  5. Step 5: Solve for x
    x = 60,049,121.90/11,101.12
  6. Step 6: Final answer
    x = 5,409.29

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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.