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Finding the Fourth Proportional to 18,612, 27,923.04 and 6,300

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Solution

The fourth proportional to 18,612, 27,923.04 and 6,300 is: 9,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612 : 27,923.04 = 6,300 : x
  2. Step 2: Convert to fraction form
    18,612/27,923.04 = 6,300/x
  3. Step 3: Cross multiply
    18,612x = 27,923.04 × 6,300
  4. Step 4: Simplify right side
    18,612x = 175,915,152
  5. Step 5: Solve for x
    x = 175,915,152/18,612
  6. Step 6: Final answer
    x = 9,451.71

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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.