Home / 10,983.21-16,481.37-10,089.90

Finding the Fourth Proportional to 10,983.21, 16,481.37 and 10,089.90

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Solution

The fourth proportional to 10,983.21, 16,481.37 and 10,089.90 is: 15,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.21 : 16,481.37 = 10,089.90 : x
  2. Step 2: Convert to fraction form
    10,983.21/16,481.37 = 10,089.90/x
  3. Step 3: Cross multiply
    10,983.21x = 16,481.37 × 10,089.90
  4. Step 4: Simplify right side
    10,983.21x = 166,295,413.00
  5. Step 5: Solve for x
    x = 166,295,413.00/10,983.21
  6. Step 6: Final answer
    x = 15,140.88

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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.