Home / 11,885.08-17,832.38-4,491.61

Finding the Fourth Proportional to 11,885.08, 17,832.38 and 4,491.61

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Solution

The fourth proportional to 11,885.08, 17,832.38 and 4,491.61 is: 6,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.08 : 17,832.38 = 4,491.61 : x
  2. Step 2: Convert to fraction form
    11,885.08/17,832.38 = 4,491.61/x
  3. Step 3: Cross multiply
    11,885.08x = 17,832.38 × 4,491.61
  4. Step 4: Simplify right side
    11,885.08x = 80,096,096.33
  5. Step 5: Solve for x
    x = 80,096,096.33/11,885.08
  6. Step 6: Final answer
    x = 6,739.21

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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.