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Finding the Fourth Proportional to 12,093.90, 18,140.97 and 7,960.14

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Solution

The fourth proportional to 12,093.90, 18,140.97 and 7,960.14 is: 11,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.90 : 18,140.97 = 7,960.14 : x
  2. Step 2: Convert to fraction form
    12,093.90/18,140.97 = 7,960.14/x
  3. Step 3: Cross multiply
    12,093.90x = 18,140.97 × 7,960.14
  4. Step 4: Simplify right side
    12,093.90x = 144,404,660.94
  5. Step 5: Solve for x
    x = 144,404,660.94/12,093.90
  6. Step 6: Final answer
    x = 11,940.29

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Half scale
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Double scale
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Similar ratio
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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.