Home / 11,942.76-16,353.60-11,472.21

Finding the Fourth Proportional to 11,942.76, 16,353.60 and 11,472.21

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Solution

The fourth proportional to 11,942.76, 16,353.60 and 11,472.21 is: 15,709.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.76 : 16,353.60 = 11,472.21 : x
  2. Step 2: Convert to fraction form
    11,942.76/16,353.60 = 11,472.21/x
  3. Step 3: Cross multiply
    11,942.76x = 16,353.60 × 11,472.21
  4. Step 4: Simplify right side
    11,942.76x = 187,611,933.46
  5. Step 5: Solve for x
    x = 187,611,933.46/11,942.76
  6. Step 6: Final answer
    x = 15,709.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.