Home / 13,040.82-19,564.20-4,275.54

Finding the Fourth Proportional to 13,040.82, 19,564.20 and 4,275.54

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Solution

The fourth proportional to 13,040.82, 19,564.20 and 4,275.54 is: 6,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.82 : 19,564.20 = 4,275.54 : x
  2. Step 2: Convert to fraction form
    13,040.82/19,564.20 = 4,275.54/x
  3. Step 3: Cross multiply
    13,040.82x = 19,564.20 × 4,275.54
  4. Step 4: Simplify right side
    13,040.82x = 83,647,519.67
  5. Step 5: Solve for x
    x = 83,647,519.67/13,040.82
  6. Step 6: Final answer
    x = 6,414.28

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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.