Home / 11,942.24-17,888.72-6,996.86

Finding the Fourth Proportional to 11,942.24, 17,888.72 and 6,996.86

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Solution

The fourth proportional to 11,942.24, 17,888.72 and 6,996.86 is: 10,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.24 : 17,888.72 = 6,996.86 : x
  2. Step 2: Convert to fraction form
    11,942.24/17,888.72 = 6,996.86/x
  3. Step 3: Cross multiply
    11,942.24x = 17,888.72 × 6,996.86
  4. Step 4: Simplify right side
    11,942.24x = 125,164,869.42
  5. Step 5: Solve for x
    x = 125,164,869.42/11,942.24
  6. Step 6: Final answer
    x = 10,480.85

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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.