Home / 16,944.80-23,382.68-9,390.42

Finding the Fourth Proportional to 16,944.80, 23,382.68 and 9,390.42

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Solution

The fourth proportional to 16,944.80, 23,382.68 and 9,390.42 is: 12,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,944.80 : 23,382.68 = 9,390.42 : x
  2. Step 2: Convert to fraction form
    16,944.80/23,382.68 = 9,390.42/x
  3. Step 3: Cross multiply
    16,944.80x = 23,382.68 × 9,390.42
  4. Step 4: Simplify right side
    16,944.80x = 219,573,138.97
  5. Step 5: Solve for x
    x = 219,573,138.97/16,944.80
  6. Step 6: Final answer
    x = 12,958.15

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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.