Home / 11,631.74-17,447.76-3,311.75

Finding the Fourth Proportional to 11,631.74, 17,447.76 and 3,311.75

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Solution

The fourth proportional to 11,631.74, 17,447.76 and 3,311.75 is: 4,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.74 : 17,447.76 = 3,311.75 : x
  2. Step 2: Convert to fraction form
    11,631.74/17,447.76 = 3,311.75/x
  3. Step 3: Cross multiply
    11,631.74x = 17,447.76 × 3,311.75
  4. Step 4: Simplify right side
    11,631.74x = 57,782,619.18
  5. Step 5: Solve for x
    x = 57,782,619.18/11,631.74
  6. Step 6: Final answer
    x = 4,967.67

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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.