Home / 11,905.14-17,860.68-3,584.97

Finding the Fourth Proportional to 11,905.14, 17,860.68 and 3,584.97

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Solution

The fourth proportional to 11,905.14, 17,860.68 and 3,584.97 is: 5,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.14 : 17,860.68 = 3,584.97 : x
  2. Step 2: Convert to fraction form
    11,905.14/17,860.68 = 3,584.97/x
  3. Step 3: Cross multiply
    11,905.14x = 17,860.68 × 3,584.97
  4. Step 4: Simplify right side
    11,905.14x = 64,030,001.98
  5. Step 5: Solve for x
    x = 64,030,001.98/11,905.14
  6. Step 6: Final answer
    x = 5,378.35

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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.