Home / 12,831.36-19,244.32-4,067.04

Finding the Fourth Proportional to 12,831.36, 19,244.32 and 4,067.04

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Solution

The fourth proportional to 12,831.36, 19,244.32 and 4,067.04 is: 6,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.36 : 19,244.32 = 4,067.04 : x
  2. Step 2: Convert to fraction form
    12,831.36/19,244.32 = 4,067.04/x
  3. Step 3: Cross multiply
    12,831.36x = 19,244.32 × 4,067.04
  4. Step 4: Simplify right side
    12,831.36x = 78,267,419.21
  5. Step 5: Solve for x
    x = 78,267,419.21/12,831.36
  6. Step 6: Final answer
    x = 6,099.70

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1.5x scale

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.