Home / 11,119.20-16,678.80-3,333.48

Finding the Fourth Proportional to 11,119.20, 16,678.80 and 3,333.48

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Solution

The fourth proportional to 11,119.20, 16,678.80 and 3,333.48 is: 5,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.20 : 16,678.80 = 3,333.48 : x
  2. Step 2: Convert to fraction form
    11,119.20/16,678.80 = 3,333.48/x
  3. Step 3: Cross multiply
    11,119.20x = 16,678.80 × 3,333.48
  4. Step 4: Simplify right side
    11,119.20x = 55,598,446.22
  5. Step 5: Solve for x
    x = 55,598,446.22/11,119.20
  6. Step 6: Final answer
    x = 5,000.22

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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.