Home / 13,626.82-20,440.01-3,765.88

Finding the Fourth Proportional to 13,626.82, 20,440.01 and 3,765.88

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Solution

The fourth proportional to 13,626.82, 20,440.01 and 3,765.88 is: 5,648.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.82 : 20,440.01 = 3,765.88 : x
  2. Step 2: Convert to fraction form
    13,626.82/20,440.01 = 3,765.88/x
  3. Step 3: Cross multiply
    13,626.82x = 20,440.01 × 3,765.88
  4. Step 4: Simplify right side
    13,626.82x = 76,974,624.86
  5. Step 5: Solve for x
    x = 76,974,624.86/13,626.82
  6. Step 6: Final answer
    x = 5,648.76

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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.