Home / 11,727.42-16,183.54-6,422.46

Finding the Fourth Proportional to 11,727.42, 16,183.54 and 6,422.46

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Solution

The fourth proportional to 11,727.42, 16,183.54 and 6,422.46 is: 8,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.42 : 16,183.54 = 6,422.46 : x
  2. Step 2: Convert to fraction form
    11,727.42/16,183.54 = 6,422.46/x
  3. Step 3: Cross multiply
    11,727.42x = 16,183.54 × 6,422.46
  4. Step 4: Simplify right side
    11,727.42x = 103,938,138.31
  5. Step 5: Solve for x
    x = 103,938,138.31/11,727.42
  6. Step 6: Final answer
    x = 8,862.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.