Home / 13,882.61-20,825.24-3,887.36

Finding the Fourth Proportional to 13,882.61, 20,825.24 and 3,887.36

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Solution

The fourth proportional to 13,882.61, 20,825.24 and 3,887.36 is: 5,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.61 : 20,825.24 = 3,887.36 : x
  2. Step 2: Convert to fraction form
    13,882.61/20,825.24 = 3,887.36/x
  3. Step 3: Cross multiply
    13,882.61x = 20,825.24 × 3,887.36
  4. Step 4: Simplify right side
    13,882.61x = 80,955,204.97
  5. Step 5: Solve for x
    x = 80,955,204.97/13,882.61
  6. Step 6: Final answer
    x = 5,831.41

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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.