Home / 11,788.08-17,685-3,996.96

Finding the Fourth Proportional to 11,788.08, 17,685 and 3,996.96

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Solution

The fourth proportional to 11,788.08, 17,685 and 3,996.96 is: 5,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.08 : 17,685 = 3,996.96 : x
  2. Step 2: Convert to fraction form
    11,788.08/17,685 = 3,996.96/x
  3. Step 3: Cross multiply
    11,788.08x = 17,685 × 3,996.96
  4. Step 4: Simplify right side
    11,788.08x = 70,686,237.60
  5. Step 5: Solve for x
    x = 70,686,237.60/11,788.08
  6. Step 6: Final answer
    x = 5,996.42

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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.