Home / 11,418.45-17,127.62-3,098.44

Finding the Fourth Proportional to 11,418.45, 17,127.62 and 3,098.44

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Solution

The fourth proportional to 11,418.45, 17,127.62 and 3,098.44 is: 4,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.45 : 17,127.62 = 3,098.44 : x
  2. Step 2: Convert to fraction form
    11,418.45/17,127.62 = 3,098.44/x
  3. Step 3: Cross multiply
    11,418.45x = 17,127.62 × 3,098.44
  4. Step 4: Simplify right side
    11,418.45x = 53,068,920.45
  5. Step 5: Solve for x
    x = 53,068,920.45/11,418.45
  6. Step 6: Final answer
    x = 4,647.65

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1.5x scale

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.