Home / 9,195.24-12,689.94-5,216.43

Finding the Fourth Proportional to 9,195.24, 12,689.94 and 5,216.43

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Solution

The fourth proportional to 9,195.24, 12,689.94 and 5,216.43 is: 7,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.24 : 12,689.94 = 5,216.43 : x
  2. Step 2: Convert to fraction form
    9,195.24/12,689.94 = 5,216.43/x
  3. Step 3: Cross multiply
    9,195.24x = 12,689.94 × 5,216.43
  4. Step 4: Simplify right side
    9,195.24x = 66,196,183.71
  5. Step 5: Solve for x
    x = 66,196,183.71/9,195.24
  6. Step 6: Final answer
    x = 7,198.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.