Home / 18,144.04-27,213.62-7,049.66

Finding the Fourth Proportional to 18,144.04, 27,213.62 and 7,049.66

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Solution

The fourth proportional to 18,144.04, 27,213.62 and 7,049.66 is: 10,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.04 : 27,213.62 = 7,049.66 : x
  2. Step 2: Convert to fraction form
    18,144.04/27,213.62 = 7,049.66/x
  3. Step 3: Cross multiply
    18,144.04x = 27,213.62 × 7,049.66
  4. Step 4: Simplify right side
    18,144.04x = 191,846,768.37
  5. Step 5: Solve for x
    x = 191,846,768.37/18,144.04
  6. Step 6: Final answer
    x = 10,573.54

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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.