Home / 11,911.84-17,855.15-4,006.83

Finding the Fourth Proportional to 11,911.84, 17,855.15 and 4,006.83

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Solution

The fourth proportional to 11,911.84, 17,855.15 and 4,006.83 is: 6,006.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.84 : 17,855.15 = 4,006.83 : x
  2. Step 2: Convert to fraction form
    11,911.84/17,855.15 = 4,006.83/x
  3. Step 3: Cross multiply
    11,911.84x = 17,855.15 × 4,006.83
  4. Step 4: Simplify right side
    11,911.84x = 71,542,441.36
  5. Step 5: Solve for x
    x = 71,542,441.36/11,911.84
  6. Step 6: Final answer
    x = 6,006.00

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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.