Home / 11,869.91-17,806.07-3,104.90

Finding the Fourth Proportional to 11,869.91, 17,806.07 and 3,104.90

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Solution

The fourth proportional to 11,869.91, 17,806.07 and 3,104.90 is: 4,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.91 : 17,806.07 = 3,104.90 : x
  2. Step 2: Convert to fraction form
    11,869.91/17,806.07 = 3,104.90/x
  3. Step 3: Cross multiply
    11,869.91x = 17,806.07 × 3,104.90
  4. Step 4: Simplify right side
    11,869.91x = 55,286,066.74
  5. Step 5: Solve for x
    x = 55,286,066.74/11,869.91
  6. Step 6: Final answer
    x = 4,657.67

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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.