Home / 11,889.80-17,834.69-4,098

Finding the Fourth Proportional to 11,889.80, 17,834.69 and 4,098

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Solution

The fourth proportional to 11,889.80, 17,834.69 and 4,098 is: 6,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.80 : 17,834.69 = 4,098 : x
  2. Step 2: Convert to fraction form
    11,889.80/17,834.69 = 4,098/x
  3. Step 3: Cross multiply
    11,889.80x = 17,834.69 × 4,098
  4. Step 4: Simplify right side
    11,889.80x = 73,086,569.87
  5. Step 5: Solve for x
    x = 73,086,569.87/11,889.80
  6. Step 6: Final answer
    x = 6,147.00

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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.