Home / 11,945.11-17,915.66-3,623.14

Finding the Fourth Proportional to 11,945.11, 17,915.66 and 3,623.14

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Solution

The fourth proportional to 11,945.11, 17,915.66 and 3,623.14 is: 5,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.11 : 17,915.66 = 3,623.14 : x
  2. Step 2: Convert to fraction form
    11,945.11/17,915.66 = 3,623.14/x
  3. Step 3: Cross multiply
    11,945.11x = 17,915.66 × 3,623.14
  4. Step 4: Simplify right side
    11,945.11x = 64,910,944.37
  5. Step 5: Solve for x
    x = 64,910,944.37/11,945.11
  6. Step 6: Final answer
    x = 5,434.10

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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.