Home / 10,831.05-16,247.21-3,039.86

Finding the Fourth Proportional to 10,831.05, 16,247.21 and 3,039.86

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Solution

The fourth proportional to 10,831.05, 16,247.21 and 3,039.86 is: 4,559.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.05 : 16,247.21 = 3,039.86 : x
  2. Step 2: Convert to fraction form
    10,831.05/16,247.21 = 3,039.86/x
  3. Step 3: Cross multiply
    10,831.05x = 16,247.21 × 3,039.86
  4. Step 4: Simplify right side
    10,831.05x = 49,389,147.36
  5. Step 5: Solve for x
    x = 49,389,147.36/10,831.05
  6. Step 6: Final answer
    x = 4,559.96

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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.