Home / 12,831.04-19,247.10-4,065.76

Finding the Fourth Proportional to 12,831.04, 19,247.10 and 4,065.76

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Solution

The fourth proportional to 12,831.04, 19,247.10 and 4,065.76 is: 6,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.04 : 19,247.10 = 4,065.76 : x
  2. Step 2: Convert to fraction form
    12,831.04/19,247.10 = 4,065.76/x
  3. Step 3: Cross multiply
    12,831.04x = 19,247.10 × 4,065.76
  4. Step 4: Simplify right side
    12,831.04x = 78,253,972.73
  5. Step 5: Solve for x
    x = 78,253,972.73/12,831.04
  6. Step 6: Final answer
    x = 6,098.80

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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.