Home / 11,831.37-17,745.30-3,934.02

Finding the Fourth Proportional to 11,831.37, 17,745.30 and 3,934.02

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Solution

The fourth proportional to 11,831.37, 17,745.30 and 3,934.02 is: 5,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.37 : 17,745.30 = 3,934.02 : x
  2. Step 2: Convert to fraction form
    11,831.37/17,745.30 = 3,934.02/x
  3. Step 3: Cross multiply
    11,831.37x = 17,745.30 × 3,934.02
  4. Step 4: Simplify right side
    11,831.37x = 69,810,365.11
  5. Step 5: Solve for x
    x = 69,810,365.11/11,831.37
  6. Step 6: Final answer
    x = 5,900.45

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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.