Home / 13,999.06-20,998.68-3,610

Finding the Fourth Proportional to 13,999.06, 20,998.68 and 3,610

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Solution

The fourth proportional to 13,999.06, 20,998.68 and 3,610 is: 5,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.06 : 20,998.68 = 3,610 : x
  2. Step 2: Convert to fraction form
    13,999.06/20,998.68 = 3,610/x
  3. Step 3: Cross multiply
    13,999.06x = 20,998.68 × 3,610
  4. Step 4: Simplify right side
    13,999.06x = 75,805,234.80
  5. Step 5: Solve for x
    x = 75,805,234.80/13,999.06
  6. Step 6: Final answer
    x = 5,415.02

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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.