Home / 20,944.90-31,380.45-11,062.41

Finding the Fourth Proportional to 20,944.90, 31,380.45 and 11,062.41

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Solution

The fourth proportional to 20,944.90, 31,380.45 and 11,062.41 is: 16,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.90 : 31,380.45 = 11,062.41 : x
  2. Step 2: Convert to fraction form
    20,944.90/31,380.45 = 11,062.41/x
  3. Step 3: Cross multiply
    20,944.90x = 31,380.45 × 11,062.41
  4. Step 4: Simplify right side
    20,944.90x = 347,143,403.88
  5. Step 5: Solve for x
    x = 347,143,403.88/20,944.90
  6. Step 6: Final answer
    x = 16,574.13

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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.