Home / 11,943.11-17,912.66-3,621.14

Finding the Fourth Proportional to 11,943.11, 17,912.66 and 3,621.14

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Solution

The fourth proportional to 11,943.11, 17,912.66 and 3,621.14 is: 5,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.11 : 17,912.66 = 3,621.14 : x
  2. Step 2: Convert to fraction form
    11,943.11/17,912.66 = 3,621.14/x
  3. Step 3: Cross multiply
    11,943.11x = 17,912.66 × 3,621.14
  4. Step 4: Simplify right side
    11,943.11x = 64,864,169.12
  5. Step 5: Solve for x
    x = 64,864,169.12/11,943.11
  6. Step 6: Final answer
    x = 5,431.10

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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.