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Finding the Fourth Proportional to 11,895.94, 17,843.23 and 3,575.79

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Solution

The fourth proportional to 11,895.94, 17,843.23 and 3,575.79 is: 5,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.94 : 17,843.23 = 3,575.79 : x
  2. Step 2: Convert to fraction form
    11,895.94/17,843.23 = 3,575.79/x
  3. Step 3: Cross multiply
    11,895.94x = 17,843.23 × 3,575.79
  4. Step 4: Simplify right side
    11,895.94x = 63,803,634.46
  5. Step 5: Solve for x
    x = 63,803,634.46/11,895.94
  6. Step 6: Final answer
    x = 5,363.48

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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.