Home / 11,936.55-16,471.31-6,900.38

Finding the Fourth Proportional to 11,936.55, 16,471.31 and 6,900.38

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Solution

The fourth proportional to 11,936.55, 16,471.31 and 6,900.38 is: 9,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.55 : 16,471.31 = 6,900.38 : x
  2. Step 2: Convert to fraction form
    11,936.55/16,471.31 = 6,900.38/x
  3. Step 3: Cross multiply
    11,936.55x = 16,471.31 × 6,900.38
  4. Step 4: Simplify right side
    11,936.55x = 113,658,298.10
  5. Step 5: Solve for x
    x = 113,658,298.10/11,936.55
  6. Step 6: Final answer
    x = 9,521.87

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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.