Home / 11,474.56-17,211.64-3,154.54

Finding the Fourth Proportional to 11,474.56, 17,211.64 and 3,154.54

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Solution

The fourth proportional to 11,474.56, 17,211.64 and 3,154.54 is: 4,731.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.56 : 17,211.64 = 3,154.54 : x
  2. Step 2: Convert to fraction form
    11,474.56/17,211.64 = 3,154.54/x
  3. Step 3: Cross multiply
    11,474.56x = 17,211.64 × 3,154.54
  4. Step 4: Simplify right side
    11,474.56x = 54,294,806.85
  5. Step 5: Solve for x
    x = 54,294,806.85/11,474.56
  6. Step 6: Final answer
    x = 4,731.76

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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.