Home / 12,831.60-19,250.10-4,067.40

Finding the Fourth Proportional to 12,831.60, 19,250.10 and 4,067.40

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Solution

The fourth proportional to 12,831.60, 19,250.10 and 4,067.40 is: 6,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.60 : 19,250.10 = 4,067.40 : x
  2. Step 2: Convert to fraction form
    12,831.60/19,250.10 = 4,067.40/x
  3. Step 3: Cross multiply
    12,831.60x = 19,250.10 × 4,067.40
  4. Step 4: Simplify right side
    12,831.60x = 78,297,856.74
  5. Step 5: Solve for x
    x = 78,297,856.74/12,831.60
  6. Step 6: Final answer
    x = 6,101.96

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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.