Home / 18,968.33-28,469.70-9,614.85

Finding the Fourth Proportional to 18,968.33, 28,469.70 and 9,614.85

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Solution

The fourth proportional to 18,968.33, 28,469.70 and 9,614.85 is: 14,431.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.33 : 28,469.70 = 9,614.85 : x
  2. Step 2: Convert to fraction form
    18,968.33/28,469.70 = 9,614.85/x
  3. Step 3: Cross multiply
    18,968.33x = 28,469.70 × 9,614.85
  4. Step 4: Simplify right side
    18,968.33x = 273,731,895.05
  5. Step 5: Solve for x
    x = 273,731,895.05/18,968.33
  6. Step 6: Final answer
    x = 14,431.00

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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.