Home / 18,144.23-27,209.32-7,049.45

Finding the Fourth Proportional to 18,144.23, 27,209.32 and 7,049.45

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Solution

The fourth proportional to 18,144.23, 27,209.32 and 7,049.45 is: 10,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.23 : 27,209.32 = 7,049.45 : x
  2. Step 2: Convert to fraction form
    18,144.23/27,209.32 = 7,049.45/x
  3. Step 3: Cross multiply
    18,144.23x = 27,209.32 × 7,049.45
  4. Step 4: Simplify right side
    18,144.23x = 191,810,791.27
  5. Step 5: Solve for x
    x = 191,810,791.27/18,144.23
  6. Step 6: Final answer
    x = 10,571.45

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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.