Home / 13,241.64-19,862.43-3,380.92

Finding the Fourth Proportional to 13,241.64, 19,862.43 and 3,380.92

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Solution

The fourth proportional to 13,241.64, 19,862.43 and 3,380.92 is: 5,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.64 : 19,862.43 = 3,380.92 : x
  2. Step 2: Convert to fraction form
    13,241.64/19,862.43 = 3,380.92/x
  3. Step 3: Cross multiply
    13,241.64x = 19,862.43 × 3,380.92
  4. Step 4: Simplify right side
    13,241.64x = 67,153,187.52
  5. Step 5: Solve for x
    x = 67,153,187.52/13,241.64
  6. Step 6: Final answer
    x = 5,071.37

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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.