Home / 12,831.13-19,247.24-4,065.85

Finding the Fourth Proportional to 12,831.13, 19,247.24 and 4,065.85

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Solution

The fourth proportional to 12,831.13, 19,247.24 and 4,065.85 is: 6,098.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.13 : 19,247.24 = 4,065.85 : x
  2. Step 2: Convert to fraction form
    12,831.13/19,247.24 = 4,065.85/x
  3. Step 3: Cross multiply
    12,831.13x = 19,247.24 × 4,065.85
  4. Step 4: Simplify right side
    12,831.13x = 78,256,390.75
  5. Step 5: Solve for x
    x = 78,256,390.75/12,831.13
  6. Step 6: Final answer
    x = 6,098.95

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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.