Home / 13,286.22-19,941.62-6,716.99

Finding the Fourth Proportional to 13,286.22, 19,941.62 and 6,716.99

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Solution

The fourth proportional to 13,286.22, 19,941.62 and 6,716.99 is: 10,081.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.22 : 19,941.62 = 6,716.99 : x
  2. Step 2: Convert to fraction form
    13,286.22/19,941.62 = 6,716.99/x
  3. Step 3: Cross multiply
    13,286.22x = 19,941.62 × 6,716.99
  4. Step 4: Simplify right side
    13,286.22x = 133,947,528.83
  5. Step 5: Solve for x
    x = 133,947,528.83/13,286.22
  6. Step 6: Final answer
    x = 10,081.69

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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.