Home / 13,197.48-19,799.28-3,837.72

Finding the Fourth Proportional to 13,197.48, 19,799.28 and 3,837.72

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Solution

The fourth proportional to 13,197.48, 19,799.28 and 3,837.72 is: 5,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.48 : 19,799.28 = 3,837.72 : x
  2. Step 2: Convert to fraction form
    13,197.48/19,799.28 = 3,837.72/x
  3. Step 3: Cross multiply
    13,197.48x = 19,799.28 × 3,837.72
  4. Step 4: Simplify right side
    13,197.48x = 75,984,092.84
  5. Step 5: Solve for x
    x = 75,984,092.84/13,197.48
  6. Step 6: Final answer
    x = 5,757.47

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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.