Home / 13,286.18-19,941.56-6,716.97

Finding the Fourth Proportional to 13,286.18, 19,941.56 and 6,716.97

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Solution

The fourth proportional to 13,286.18, 19,941.56 and 6,716.97 is: 10,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.18 : 19,941.56 = 6,716.97 : x
  2. Step 2: Convert to fraction form
    13,286.18/19,941.56 = 6,716.97/x
  3. Step 3: Cross multiply
    13,286.18x = 19,941.56 × 6,716.97
  4. Step 4: Simplify right side
    13,286.18x = 133,946,826.69
  5. Step 5: Solve for x
    x = 133,946,826.69/13,286.18
  6. Step 6: Final answer
    x = 10,081.67

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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.