Home / 11,904-16,427.52-6,936.96

Finding the Fourth Proportional to 11,904, 16,427.52 and 6,936.96

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Solution

The fourth proportional to 11,904, 16,427.52 and 6,936.96 is: 9,573.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904 : 16,427.52 = 6,936.96 : x
  2. Step 2: Convert to fraction form
    11,904/16,427.52 = 6,936.96/x
  3. Step 3: Cross multiply
    11,904x = 16,427.52 × 6,936.96
  4. Step 4: Simplify right side
    11,904x = 113,957,049.14
  5. Step 5: Solve for x
    x = 113,957,049.14/11,904
  6. Step 6: Final answer
    x = 9,573.00

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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.