Home / 11,615.28-17,419.24-3,822.28

Finding the Fourth Proportional to 11,615.28, 17,419.24 and 3,822.28

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Solution

The fourth proportional to 11,615.28, 17,419.24 and 3,822.28 is: 5,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.28 : 17,419.24 = 3,822.28 : x
  2. Step 2: Convert to fraction form
    11,615.28/17,419.24 = 3,822.28/x
  3. Step 3: Cross multiply
    11,615.28x = 17,419.24 × 3,822.28
  4. Step 4: Simplify right side
    11,615.28x = 66,581,212.67
  5. Step 5: Solve for x
    x = 66,581,212.67/11,615.28
  6. Step 6: Final answer
    x = 5,732.21

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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.