Home / 10,831.60-16,247.44-3,906.64

Finding the Fourth Proportional to 10,831.60, 16,247.44 and 3,906.64

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Solution

The fourth proportional to 10,831.60, 16,247.44 and 3,906.64 is: 5,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.60 : 16,247.44 = 3,906.64 : x
  2. Step 2: Convert to fraction form
    10,831.60/16,247.44 = 3,906.64/x
  3. Step 3: Cross multiply
    10,831.60x = 16,247.44 × 3,906.64
  4. Step 4: Simplify right side
    10,831.60x = 63,472,899.00
  5. Step 5: Solve for x
    x = 63,472,899.00/10,831.60
  6. Step 6: Final answer
    x = 5,859.97

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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.