Home / 18,331.94-27,497.84-6,642.42

Finding the Fourth Proportional to 18,331.94, 27,497.84 and 6,642.42

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Solution

The fourth proportional to 18,331.94, 27,497.84 and 6,642.42 is: 9,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.94 : 27,497.84 = 6,642.42 : x
  2. Step 2: Convert to fraction form
    18,331.94/27,497.84 = 6,642.42/x
  3. Step 3: Cross multiply
    18,331.94x = 27,497.84 × 6,642.42
  4. Step 4: Simplify right side
    18,331.94x = 182,652,169.16
  5. Step 5: Solve for x
    x = 182,652,169.16/18,331.94
  6. Step 6: Final answer
    x = 9,963.61

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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.