Home / 13,286.29-19,912.11-6,708.91

Finding the Fourth Proportional to 13,286.29, 19,912.11 and 6,708.91

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Solution

The fourth proportional to 13,286.29, 19,912.11 and 6,708.91 is: 10,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.29 : 19,912.11 = 6,708.91 : x
  2. Step 2: Convert to fraction form
    13,286.29/19,912.11 = 6,708.91/x
  3. Step 3: Cross multiply
    13,286.29x = 19,912.11 × 6,708.91
  4. Step 4: Simplify right side
    13,286.29x = 133,588,553.90
  5. Step 5: Solve for x
    x = 133,588,553.90/13,286.29
  6. Step 6: Final answer
    x = 10,054.62

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1.5x scale

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.