Home / 13,767.66-20,651.58-3,379.38

Finding the Fourth Proportional to 13,767.66, 20,651.58 and 3,379.38

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Solution

The fourth proportional to 13,767.66, 20,651.58 and 3,379.38 is: 5,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.66 : 20,651.58 = 3,379.38 : x
  2. Step 2: Convert to fraction form
    13,767.66/20,651.58 = 3,379.38/x
  3. Step 3: Cross multiply
    13,767.66x = 20,651.58 × 3,379.38
  4. Step 4: Simplify right side
    13,767.66x = 69,789,536.42
  5. Step 5: Solve for x
    x = 69,789,536.42/13,767.66
  6. Step 6: Final answer
    x = 5,069.09

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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.