Home / 11,231.20-16,848.96-3,440.08

Finding the Fourth Proportional to 11,231.20, 16,848.96 and 3,440.08

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Solution

The fourth proportional to 11,231.20, 16,848.96 and 3,440.08 is: 5,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.20 : 16,848.96 = 3,440.08 : x
  2. Step 2: Convert to fraction form
    11,231.20/16,848.96 = 3,440.08/x
  3. Step 3: Cross multiply
    11,231.20x = 16,848.96 × 3,440.08
  4. Step 4: Simplify right side
    11,231.20x = 57,961,770.32
  5. Step 5: Solve for x
    x = 57,961,770.32/11,231.20
  6. Step 6: Final answer
    x = 5,160.78

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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.