Home / 16,942.70-23,380.58-9,388.97

Finding the Fourth Proportional to 16,942.70, 23,380.58 and 9,388.97

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Solution

The fourth proportional to 16,942.70, 23,380.58 and 9,388.97 is: 12,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.70 : 23,380.58 = 9,388.97 : x
  2. Step 2: Convert to fraction form
    16,942.70/23,380.58 = 9,388.97/x
  3. Step 3: Cross multiply
    16,942.70x = 23,380.58 × 9,388.97
  4. Step 4: Simplify right side
    16,942.70x = 219,519,564.20
  5. Step 5: Solve for x
    x = 219,519,564.20/16,942.70
  6. Step 6: Final answer
    x = 12,956.59

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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.