Home / 10,779.20-16,169.48-3,383.95

Finding the Fourth Proportional to 10,779.20, 16,169.48 and 3,383.95

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Solution

The fourth proportional to 10,779.20, 16,169.48 and 3,383.95 is: 5,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.20 : 16,169.48 = 3,383.95 : x
  2. Step 2: Convert to fraction form
    10,779.20/16,169.48 = 3,383.95/x
  3. Step 3: Cross multiply
    10,779.20x = 16,169.48 × 3,383.95
  4. Step 4: Simplify right side
    10,779.20x = 54,716,711.85
  5. Step 5: Solve for x
    x = 54,716,711.85/10,779.20
  6. Step 6: Final answer
    x = 5,076.14

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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.