Home / 11,732.30-16,190.98-6,427.12

Finding the Fourth Proportional to 11,732.30, 16,190.98 and 6,427.12

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Solution

The fourth proportional to 11,732.30, 16,190.98 and 6,427.12 is: 8,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,732.30 : 16,190.98 = 6,427.12 : x
  2. Step 2: Convert to fraction form
    11,732.30/16,190.98 = 6,427.12/x
  3. Step 3: Cross multiply
    11,732.30x = 16,190.98 × 6,427.12
  4. Step 4: Simplify right side
    11,732.30x = 104,061,349.05
  5. Step 5: Solve for x
    x = 104,061,349.05/11,732.30
  6. Step 6: Final answer
    x = 8,869.64

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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.