Home / 11,709.11-17,559.69-3,809.67

Finding the Fourth Proportional to 11,709.11, 17,559.69 and 3,809.67

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Solution

The fourth proportional to 11,709.11, 17,559.69 and 3,809.67 is: 5,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.11 : 17,559.69 = 3,809.67 : x
  2. Step 2: Convert to fraction form
    11,709.11/17,559.69 = 3,809.67/x
  3. Step 3: Cross multiply
    11,709.11x = 17,559.69 × 3,809.67
  4. Step 4: Simplify right side
    11,709.11x = 66,896,624.20
  5. Step 5: Solve for x
    x = 66,896,624.20/11,709.11
  6. Step 6: Final answer
    x = 5,713.21

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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.