Home / 12,116.78-18,183.39-6,571.94

Finding the Fourth Proportional to 12,116.78, 18,183.39 and 6,571.94

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Solution

The fourth proportional to 12,116.78, 18,183.39 and 6,571.94 is: 9,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.78 : 18,183.39 = 6,571.94 : x
  2. Step 2: Convert to fraction form
    12,116.78/18,183.39 = 6,571.94/x
  3. Step 3: Cross multiply
    12,116.78x = 18,183.39 × 6,571.94
  4. Step 4: Simplify right side
    12,116.78x = 119,500,148.08
  5. Step 5: Solve for x
    x = 119,500,148.08/12,116.78
  6. Step 6: Final answer
    x = 9,862.37

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1.5x scale

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.