Home / 13,317.26-19,977-3,829.62

Finding the Fourth Proportional to 13,317.26, 19,977 and 3,829.62

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Solution

The fourth proportional to 13,317.26, 19,977 and 3,829.62 is: 5,744.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.26 : 19,977 = 3,829.62 : x
  2. Step 2: Convert to fraction form
    13,317.26/19,977 = 3,829.62/x
  3. Step 3: Cross multiply
    13,317.26x = 19,977 × 3,829.62
  4. Step 4: Simplify right side
    13,317.26x = 76,504,318.74
  5. Step 5: Solve for x
    x = 76,504,318.74/13,317.26
  6. Step 6: Final answer
    x = 5,744.75

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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.