Home / 11,815.03-17,712.96-4,418.41

Finding the Fourth Proportional to 11,815.03, 17,712.96 and 4,418.41

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Solution

The fourth proportional to 11,815.03, 17,712.96 and 4,418.41 is: 6,624.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.03 : 17,712.96 = 4,418.41 : x
  2. Step 2: Convert to fraction form
    11,815.03/17,712.96 = 4,418.41/x
  3. Step 3: Cross multiply
    11,815.03x = 17,712.96 × 4,418.41
  4. Step 4: Simplify right side
    11,815.03x = 78,263,119.59
  5. Step 5: Solve for x
    x = 78,263,119.59/11,815.03
  6. Step 6: Final answer
    x = 6,624.03

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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.