Home / 10,912.91-16,376.54-5,986

Finding the Fourth Proportional to 10,912.91, 16,376.54 and 5,986

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Solution

The fourth proportional to 10,912.91, 16,376.54 and 5,986 is: 8,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.91 : 16,376.54 = 5,986 : x
  2. Step 2: Convert to fraction form
    10,912.91/16,376.54 = 5,986/x
  3. Step 3: Cross multiply
    10,912.91x = 16,376.54 × 5,986
  4. Step 4: Simplify right side
    10,912.91x = 98,029,968.44
  5. Step 5: Solve for x
    x = 98,029,968.44/10,912.91
  6. Step 6: Final answer
    x = 8,982.94

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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.