Home / 12,831.23-19,246.83-4,065.46

Finding the Fourth Proportional to 12,831.23, 19,246.83 and 4,065.46

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Solution

The fourth proportional to 12,831.23, 19,246.83 and 4,065.46 is: 6,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.23 : 19,246.83 = 4,065.46 : x
  2. Step 2: Convert to fraction form
    12,831.23/19,246.83 = 4,065.46/x
  3. Step 3: Cross multiply
    12,831.23x = 19,246.83 × 4,065.46
  4. Step 4: Simplify right side
    12,831.23x = 78,247,277.64
  5. Step 5: Solve for x
    x = 78,247,277.64/12,831.23
  6. Step 6: Final answer
    x = 6,098.19

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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.