Home / 11,209.69-16,811.97-3,310.51

Finding the Fourth Proportional to 11,209.69, 16,811.97 and 3,310.51

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Solution

The fourth proportional to 11,209.69, 16,811.97 and 3,310.51 is: 4,965.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.69 : 16,811.97 = 3,310.51 : x
  2. Step 2: Convert to fraction form
    11,209.69/16,811.97 = 3,310.51/x
  3. Step 3: Cross multiply
    11,209.69x = 16,811.97 × 3,310.51
  4. Step 4: Simplify right side
    11,209.69x = 55,656,194.80
  5. Step 5: Solve for x
    x = 55,656,194.80/11,209.69
  6. Step 6: Final answer
    x = 4,965.01

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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.