Home / 14,222.43-21,331.08-3,831.75

Finding the Fourth Proportional to 14,222.43, 21,331.08 and 3,831.75

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Solution

The fourth proportional to 14,222.43, 21,331.08 and 3,831.75 is: 5,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.43 : 21,331.08 = 3,831.75 : x
  2. Step 2: Convert to fraction form
    14,222.43/21,331.08 = 3,831.75/x
  3. Step 3: Cross multiply
    14,222.43x = 21,331.08 × 3,831.75
  4. Step 4: Simplify right side
    14,222.43x = 81,735,365.79
  5. Step 5: Solve for x
    x = 81,735,365.79/14,222.43
  6. Step 6: Final answer
    x = 5,746.93

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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.