Home / 18,321.09-27,463.17-7,223.49

Finding the Fourth Proportional to 18,321.09, 27,463.17 and 7,223.49

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Solution

The fourth proportional to 18,321.09, 27,463.17 and 7,223.49 is: 10,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.09 : 27,463.17 = 7,223.49 : x
  2. Step 2: Convert to fraction form
    18,321.09/27,463.17 = 7,223.49/x
  3. Step 3: Cross multiply
    18,321.09x = 27,463.17 × 7,223.49
  4. Step 4: Simplify right side
    18,321.09x = 198,379,933.86
  5. Step 5: Solve for x
    x = 198,379,933.86/18,321.09
  6. Step 6: Final answer
    x = 10,827.95

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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.