Home / 11,197.26-16,798.05-3,405.42

Finding the Fourth Proportional to 11,197.26, 16,798.05 and 3,405.42

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Solution

The fourth proportional to 11,197.26, 16,798.05 and 3,405.42 is: 5,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.26 : 16,798.05 = 3,405.42 : x
  2. Step 2: Convert to fraction form
    11,197.26/16,798.05 = 3,405.42/x
  3. Step 3: Cross multiply
    11,197.26x = 16,798.05 × 3,405.42
  4. Step 4: Simplify right side
    11,197.26x = 57,204,415.43
  5. Step 5: Solve for x
    x = 57,204,415.43/11,197.26
  6. Step 6: Final answer
    x = 5,108.79

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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.