Home / 16,218.44-22,382.07-9,144.71

Finding the Fourth Proportional to 16,218.44, 22,382.07 and 9,144.71

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Solution

The fourth proportional to 16,218.44, 22,382.07 and 9,144.71 is: 12,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.44 : 22,382.07 = 9,144.71 : x
  2. Step 2: Convert to fraction form
    16,218.44/22,382.07 = 9,144.71/x
  3. Step 3: Cross multiply
    16,218.44x = 22,382.07 × 9,144.71
  4. Step 4: Simplify right side
    16,218.44x = 204,677,539.35
  5. Step 5: Solve for x
    x = 204,677,539.35/16,218.44
  6. Step 6: Final answer
    x = 12,620.05

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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.