Home / 11,418.88-17,126.34-3,097.80

Finding the Fourth Proportional to 11,418.88, 17,126.34 and 3,097.80

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Solution

The fourth proportional to 11,418.88, 17,126.34 and 3,097.80 is: 4,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.88 : 17,126.34 = 3,097.80 : x
  2. Step 2: Convert to fraction form
    11,418.88/17,126.34 = 3,097.80/x
  3. Step 3: Cross multiply
    11,418.88x = 17,126.34 × 3,097.80
  4. Step 4: Simplify right side
    11,418.88x = 53,053,976.05
  5. Step 5: Solve for x
    x = 53,053,976.05/11,418.88
  6. Step 6: Final answer
    x = 4,646.16

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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.