Home / 13,241.67-19,862.03-3,380.87

Finding the Fourth Proportional to 13,241.67, 19,862.03 and 3,380.87

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Solution

The fourth proportional to 13,241.67, 19,862.03 and 3,380.87 is: 5,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.67 : 19,862.03 = 3,380.87 : x
  2. Step 2: Convert to fraction form
    13,241.67/19,862.03 = 3,380.87/x
  3. Step 3: Cross multiply
    13,241.67x = 19,862.03 × 3,380.87
  4. Step 4: Simplify right side
    13,241.67x = 67,150,850.51
  5. Step 5: Solve for x
    x = 67,150,850.51/13,241.67
  6. Step 6: Final answer
    x = 5,071.18

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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.