Home / 10,663.15-15,997.80-3,268.70

Finding the Fourth Proportional to 10,663.15, 15,997.80 and 3,268.70

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Solution

The fourth proportional to 10,663.15, 15,997.80 and 3,268.70 is: 4,903.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.15 : 15,997.80 = 3,268.70 : x
  2. Step 2: Convert to fraction form
    10,663.15/15,997.80 = 3,268.70/x
  3. Step 3: Cross multiply
    10,663.15x = 15,997.80 × 3,268.70
  4. Step 4: Simplify right side
    10,663.15x = 52,291,982.73
  5. Step 5: Solve for x
    x = 52,291,982.73/10,663.15
  6. Step 6: Final answer
    x = 4,903.99

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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.