Home / 10,912.86-16,376.48-5,985.97

Finding the Fourth Proportional to 10,912.86, 16,376.48 and 5,985.97

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Solution

The fourth proportional to 10,912.86, 16,376.48 and 5,985.97 is: 8,982.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.86 : 16,376.48 = 5,985.97 : x
  2. Step 2: Convert to fraction form
    10,912.86/16,376.48 = 5,985.97/x
  3. Step 3: Cross multiply
    10,912.86x = 16,376.48 × 5,985.97
  4. Step 4: Simplify right side
    10,912.86x = 98,029,069.56
  5. Step 5: Solve for x
    x = 98,029,069.56/10,912.86
  6. Step 6: Final answer
    x = 8,982.89

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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.