Home / 11,942.18-17,892.70-8,231.16

Finding the Fourth Proportional to 11,942.18, 17,892.70 and 8,231.16

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Solution

The fourth proportional to 11,942.18, 17,892.70 and 8,231.16 is: 12,332.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.18 : 17,892.70 = 8,231.16 : x
  2. Step 2: Convert to fraction form
    11,942.18/17,892.70 = 8,231.16/x
  3. Step 3: Cross multiply
    11,942.18x = 17,892.70 × 8,231.16
  4. Step 4: Simplify right side
    11,942.18x = 147,277,676.53
  5. Step 5: Solve for x
    x = 147,277,676.53/11,942.18
  6. Step 6: Final answer
    x = 12,332.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.