Home / 10,954.78-16,439.46-4,029.28

Finding the Fourth Proportional to 10,954.78, 16,439.46 and 4,029.28

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Solution

The fourth proportional to 10,954.78, 16,439.46 and 4,029.28 is: 6,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.78 : 16,439.46 = 4,029.28 : x
  2. Step 2: Convert to fraction form
    10,954.78/16,439.46 = 4,029.28/x
  3. Step 3: Cross multiply
    10,954.78x = 16,439.46 × 4,029.28
  4. Step 4: Simplify right side
    10,954.78x = 66,239,187.39
  5. Step 5: Solve for x
    x = 66,239,187.39/10,954.78
  6. Step 6: Final answer
    x = 6,046.60

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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.