Home / 16,840.14-23,239.25-9,286.79

Finding the Fourth Proportional to 16,840.14, 23,239.25 and 9,286.79

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Solution

The fourth proportional to 16,840.14, 23,239.25 and 9,286.79 is: 12,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.14 : 23,239.25 = 9,286.79 : x
  2. Step 2: Convert to fraction form
    16,840.14/23,239.25 = 9,286.79/x
  3. Step 3: Cross multiply
    16,840.14x = 23,239.25 × 9,286.79
  4. Step 4: Simplify right side
    16,840.14x = 215,817,906.70
  5. Step 5: Solve for x
    x = 215,817,906.70/16,840.14
  6. Step 6: Final answer
    x = 12,815.69

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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.