Home / 11,727-16,183.26-6,422.02

Finding the Fourth Proportional to 11,727, 16,183.26 and 6,422.02

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Solution

The fourth proportional to 11,727, 16,183.26 and 6,422.02 is: 8,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727 : 16,183.26 = 6,422.02 : x
  2. Step 2: Convert to fraction form
    11,727/16,183.26 = 6,422.02/x
  3. Step 3: Cross multiply
    11,727x = 16,183.26 × 6,422.02
  4. Step 4: Simplify right side
    11,727x = 103,929,178.93
  5. Step 5: Solve for x
    x = 103,929,178.93/11,727
  6. Step 6: Final answer
    x = 8,862.38

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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.