Home / 10,778.10-16,167.15-3,383.13

Finding the Fourth Proportional to 10,778.10, 16,167.15 and 3,383.13

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Solution

The fourth proportional to 10,778.10, 16,167.15 and 3,383.13 is: 5,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.10 : 16,167.15 = 3,383.13 : x
  2. Step 2: Convert to fraction form
    10,778.10/16,167.15 = 3,383.13/x
  3. Step 3: Cross multiply
    10,778.10x = 16,167.15 × 3,383.13
  4. Step 4: Simplify right side
    10,778.10x = 54,695,570.18
  5. Step 5: Solve for x
    x = 54,695,570.18/10,778.10
  6. Step 6: Final answer
    x = 5,074.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.