Home / 12,650.28-18,979.46-6,076.92

Finding the Fourth Proportional to 12,650.28, 18,979.46 and 6,076.92

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Solution

The fourth proportional to 12,650.28, 18,979.46 and 6,076.92 is: 9,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.28 : 18,979.46 = 6,076.92 : x
  2. Step 2: Convert to fraction form
    12,650.28/18,979.46 = 6,076.92/x
  3. Step 3: Cross multiply
    12,650.28x = 18,979.46 × 6,076.92
  4. Step 4: Simplify right side
    12,650.28x = 115,336,757.82
  5. Step 5: Solve for x
    x = 115,336,757.82/12,650.28
  6. Step 6: Final answer
    x = 9,117.33

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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.