Home / 13,767.44-20,651.22-3,379.19

Finding the Fourth Proportional to 13,767.44, 20,651.22 and 3,379.19

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Solution

The fourth proportional to 13,767.44, 20,651.22 and 3,379.19 is: 5,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.44 : 20,651.22 = 3,379.19 : x
  2. Step 2: Convert to fraction form
    13,767.44/20,651.22 = 3,379.19/x
  3. Step 3: Cross multiply
    13,767.44x = 20,651.22 × 3,379.19
  4. Step 4: Simplify right side
    13,767.44x = 69,784,292.86
  5. Step 5: Solve for x
    x = 69,784,292.86/13,767.44
  6. Step 6: Final answer
    x = 5,068.79

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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.