Home / 11,210.06-16,815.13-3,418.88

Finding the Fourth Proportional to 11,210.06, 16,815.13 and 3,418.88

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Solution

The fourth proportional to 11,210.06, 16,815.13 and 3,418.88 is: 5,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.06 : 16,815.13 = 3,418.88 : x
  2. Step 2: Convert to fraction form
    11,210.06/16,815.13 = 3,418.88/x
  3. Step 3: Cross multiply
    11,210.06x = 16,815.13 × 3,418.88
  4. Step 4: Simplify right side
    11,210.06x = 57,488,819.03
  5. Step 5: Solve for x
    x = 57,488,819.03/11,210.06
  6. Step 6: Final answer
    x = 5,128.32

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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.