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Finding the Fourth Proportional to 11,795.97, 17,696.39 and 9,861.69

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Solution

The fourth proportional to 11,795.97, 17,696.39 and 9,861.69 is: 14,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795.97 : 17,696.39 = 9,861.69 : x
  2. Step 2: Convert to fraction form
    11,795.97/17,696.39 = 9,861.69/x
  3. Step 3: Cross multiply
    11,795.97x = 17,696.39 × 9,861.69
  4. Step 4: Simplify right side
    11,795.97x = 174,516,262.99
  5. Step 5: Solve for x
    x = 174,516,262.99/11,795.97
  6. Step 6: Final answer
    x = 14,794.57

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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.