Home / 11,529.74-17,294.63-3,209.78

Finding the Fourth Proportional to 11,529.74, 17,294.63 and 3,209.78

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Solution

The fourth proportional to 11,529.74, 17,294.63 and 3,209.78 is: 4,814.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.74 : 17,294.63 = 3,209.78 : x
  2. Step 2: Convert to fraction form
    11,529.74/17,294.63 = 3,209.78/x
  3. Step 3: Cross multiply
    11,529.74x = 17,294.63 × 3,209.78
  4. Step 4: Simplify right side
    11,529.74x = 55,511,905.44
  5. Step 5: Solve for x
    x = 55,511,905.44/11,529.74
  6. Step 6: Final answer
    x = 4,814.67

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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.