Home / 13,308.88-19,963.40-3,447.48

Finding the Fourth Proportional to 13,308.88, 19,963.40 and 3,447.48

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Solution

The fourth proportional to 13,308.88, 19,963.40 and 3,447.48 is: 5,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.88 : 19,963.40 = 3,447.48 : x
  2. Step 2: Convert to fraction form
    13,308.88/19,963.40 = 3,447.48/x
  3. Step 3: Cross multiply
    13,308.88x = 19,963.40 × 3,447.48
  4. Step 4: Simplify right side
    13,308.88x = 68,823,422.23
  5. Step 5: Solve for x
    x = 68,823,422.23/13,308.88
  6. Step 6: Final answer
    x = 5,171.24

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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.