Home / 12,831.94-19,248.46-4,066.66

Finding the Fourth Proportional to 12,831.94, 19,248.46 and 4,066.66

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Solution

The fourth proportional to 12,831.94, 19,248.46 and 4,066.66 is: 6,100.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.94 : 19,248.46 = 4,066.66 : x
  2. Step 2: Convert to fraction form
    12,831.94/19,248.46 = 4,066.66/x
  3. Step 3: Cross multiply
    12,831.94x = 19,248.46 × 4,066.66
  4. Step 4: Simplify right side
    12,831.94x = 78,276,956.24
  5. Step 5: Solve for x
    x = 78,276,956.24/12,831.94
  6. Step 6: Final answer
    x = 6,100.16

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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.