Home / 13,198.14-19,797.12-5,406.96

Finding the Fourth Proportional to 13,198.14, 19,797.12 and 5,406.96

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Solution

The fourth proportional to 13,198.14, 19,797.12 and 5,406.96 is: 8,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.14 : 19,797.12 = 5,406.96 : x
  2. Step 2: Convert to fraction form
    13,198.14/19,797.12 = 5,406.96/x
  3. Step 3: Cross multiply
    13,198.14x = 19,797.12 × 5,406.96
  4. Step 4: Simplify right side
    13,198.14x = 107,042,235.96
  5. Step 5: Solve for x
    x = 107,042,235.96/13,198.14
  6. Step 6: Final answer
    x = 8,110.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.