Home / 11,964.81-17,947.94-3,645.43

Finding the Fourth Proportional to 11,964.81, 17,947.94 and 3,645.43

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Solution

The fourth proportional to 11,964.81, 17,947.94 and 3,645.43 is: 5,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.81 : 17,947.94 = 3,645.43 : x
  2. Step 2: Convert to fraction form
    11,964.81/17,947.94 = 3,645.43/x
  3. Step 3: Cross multiply
    11,964.81x = 17,947.94 × 3,645.43
  4. Step 4: Simplify right side
    11,964.81x = 65,427,958.91
  5. Step 5: Solve for x
    x = 65,427,958.91/11,964.81
  6. Step 6: Final answer
    x = 5,468.37

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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.