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Finding the Fourth Proportional to 11,709.44, 17,546.99 and 6,960.92

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Solution

The fourth proportional to 11,709.44, 17,546.99 and 6,960.92 is: 10,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.44 : 17,546.99 = 6,960.92 : x
  2. Step 2: Convert to fraction form
    11,709.44/17,546.99 = 6,960.92/x
  3. Step 3: Cross multiply
    11,709.44x = 17,546.99 × 6,960.92
  4. Step 4: Simplify right side
    11,709.44x = 122,143,158.83
  5. Step 5: Solve for x
    x = 122,143,158.83/11,709.44
  6. Step 6: Final answer
    x = 10,431.17

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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.