Home / 16,289.43-22,481.83-10,321.66

Finding the Fourth Proportional to 16,289.43, 22,481.83 and 10,321.66

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Solution

The fourth proportional to 16,289.43, 22,481.83 and 10,321.66 is: 14,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.43 : 22,481.83 = 10,321.66 : x
  2. Step 2: Convert to fraction form
    16,289.43/22,481.83 = 10,321.66/x
  3. Step 3: Cross multiply
    16,289.43x = 22,481.83 × 10,321.66
  4. Step 4: Simplify right side
    16,289.43x = 232,049,667.22
  5. Step 5: Solve for x
    x = 232,049,667.22/16,289.43
  6. Step 6: Final answer
    x = 14,245.42

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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.