Home / 10,912.08-16,376.28-4,249.62

Finding the Fourth Proportional to 10,912.08, 16,376.28 and 4,249.62

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Solution

The fourth proportional to 10,912.08, 16,376.28 and 4,249.62 is: 6,377.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.08 : 16,376.28 = 4,249.62 : x
  2. Step 2: Convert to fraction form
    10,912.08/16,376.28 = 4,249.62/x
  3. Step 3: Cross multiply
    10,912.08x = 16,376.28 × 4,249.62
  4. Step 4: Simplify right side
    10,912.08x = 69,592,967.01
  5. Step 5: Solve for x
    x = 69,592,967.01/10,912.08
  6. Step 6: Final answer
    x = 6,377.61

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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.