Home / 10,808.22-16,211.49-3,412.90

Finding the Fourth Proportional to 10,808.22, 16,211.49 and 3,412.90

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Solution

The fourth proportional to 10,808.22, 16,211.49 and 3,412.90 is: 5,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.22 : 16,211.49 = 3,412.90 : x
  2. Step 2: Convert to fraction form
    10,808.22/16,211.49 = 3,412.90/x
  3. Step 3: Cross multiply
    10,808.22x = 16,211.49 × 3,412.90
  4. Step 4: Simplify right side
    10,808.22x = 55,328,194.22
  5. Step 5: Solve for x
    x = 55,328,194.22/10,808.22
  6. Step 6: Final answer
    x = 5,119.08

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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.