Home / 16,318.82-22,520.13-9,245.09

Finding the Fourth Proportional to 16,318.82, 22,520.13 and 9,245.09

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Solution

The fourth proportional to 16,318.82, 22,520.13 and 9,245.09 is: 12,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,318.82 : 22,520.13 = 9,245.09 : x
  2. Step 2: Convert to fraction form
    16,318.82/22,520.13 = 9,245.09/x
  3. Step 3: Cross multiply
    16,318.82x = 22,520.13 × 9,245.09
  4. Step 4: Simplify right side
    16,318.82x = 208,200,628.66
  5. Step 5: Solve for x
    x = 208,200,628.66/16,318.82
  6. Step 6: Final answer
    x = 12,758.31

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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.