Home / 13,886.44-20,831.82-4,025.80

Finding the Fourth Proportional to 13,886.44, 20,831.82 and 4,025.80

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Solution

The fourth proportional to 13,886.44, 20,831.82 and 4,025.80 is: 6,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.44 : 20,831.82 = 4,025.80 : x
  2. Step 2: Convert to fraction form
    13,886.44/20,831.82 = 4,025.80/x
  3. Step 3: Cross multiply
    13,886.44x = 20,831.82 × 4,025.80
  4. Step 4: Simplify right side
    13,886.44x = 83,864,740.96
  5. Step 5: Solve for x
    x = 83,864,740.96/13,886.44
  6. Step 6: Final answer
    x = 6,039.33

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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.