Home / 11,231.73-16,836.30-9,263.43

Finding the Fourth Proportional to 11,231.73, 16,836.30 and 9,263.43

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Solution

The fourth proportional to 11,231.73, 16,836.30 and 9,263.43 is: 13,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.73 : 16,836.30 = 9,263.43 : x
  2. Step 2: Convert to fraction form
    11,231.73/16,836.30 = 9,263.43/x
  3. Step 3: Cross multiply
    11,231.73x = 16,836.30 × 9,263.43
  4. Step 4: Simplify right side
    11,231.73x = 155,961,886.51
  5. Step 5: Solve for x
    x = 155,961,886.51/11,231.73
  6. Step 6: Final answer
    x = 13,885.83

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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.