Home / 18,168.99-27,244.61-7,493.36

Finding the Fourth Proportional to 18,168.99, 27,244.61 and 7,493.36

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Solution

The fourth proportional to 18,168.99, 27,244.61 and 7,493.36 is: 11,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.99 : 27,244.61 = 7,493.36 : x
  2. Step 2: Convert to fraction form
    18,168.99/27,244.61 = 7,493.36/x
  3. Step 3: Cross multiply
    18,168.99x = 27,244.61 × 7,493.36
  4. Step 4: Simplify right side
    18,168.99x = 204,153,497.10
  5. Step 5: Solve for x
    x = 204,153,497.10/18,168.99
  6. Step 6: Final answer
    x = 11,236.37

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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.