Home / 9,378.45-14,067.71-3,831.81

Finding the Fourth Proportional to 9,378.45, 14,067.71 and 3,831.81

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Solution

The fourth proportional to 9,378.45, 14,067.71 and 3,831.81 is: 5,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.45 : 14,067.71 = 3,831.81 : x
  2. Step 2: Convert to fraction form
    9,378.45/14,067.71 = 3,831.81/x
  3. Step 3: Cross multiply
    9,378.45x = 14,067.71 × 3,831.81
  4. Step 4: Simplify right side
    9,378.45x = 53,904,734.31
  5. Step 5: Solve for x
    x = 53,904,734.31/9,378.45
  6. Step 6: Final answer
    x = 5,747.72

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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.