Home / 11,964.89-17,947.01-3,644.55

Finding the Fourth Proportional to 11,964.89, 17,947.01 and 3,644.55

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Solution

The fourth proportional to 11,964.89, 17,947.01 and 3,644.55 is: 5,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.89 : 17,947.01 = 3,644.55 : x
  2. Step 2: Convert to fraction form
    11,964.89/17,947.01 = 3,644.55/x
  3. Step 3: Cross multiply
    11,964.89x = 17,947.01 × 3,644.55
  4. Step 4: Simplify right side
    11,964.89x = 65,408,784.41
  5. Step 5: Solve for x
    x = 65,408,784.41/11,964.89
  6. Step 6: Final answer
    x = 5,466.73

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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.