Home / 12,828.96-19,241.58-3,469.52

Finding the Fourth Proportional to 12,828.96, 19,241.58 and 3,469.52

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Solution

The fourth proportional to 12,828.96, 19,241.58 and 3,469.52 is: 5,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.96 : 19,241.58 = 3,469.52 : x
  2. Step 2: Convert to fraction form
    12,828.96/19,241.58 = 3,469.52/x
  3. Step 3: Cross multiply
    12,828.96x = 19,241.58 × 3,469.52
  4. Step 4: Simplify right side
    12,828.96x = 66,759,094.75
  5. Step 5: Solve for x
    x = 66,759,094.75/12,828.96
  6. Step 6: Final answer
    x = 5,203.78

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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.