Home / 11,474.68-17,211.81-3,154.67

Finding the Fourth Proportional to 11,474.68, 17,211.81 and 3,154.67

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Solution

The fourth proportional to 11,474.68, 17,211.81 and 3,154.67 is: 4,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.68 : 17,211.81 = 3,154.67 : x
  2. Step 2: Convert to fraction form
    11,474.68/17,211.81 = 3,154.67/x
  3. Step 3: Cross multiply
    11,474.68x = 17,211.81 × 3,154.67
  4. Step 4: Simplify right side
    11,474.68x = 54,297,580.65
  5. Step 5: Solve for x
    x = 54,297,580.65/11,474.68
  6. Step 6: Final answer
    x = 4,731.95

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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.