Home / 20,944.65-31,380.08-11,062.16

Finding the Fourth Proportional to 20,944.65, 31,380.08 and 11,062.16

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Solution

The fourth proportional to 20,944.65, 31,380.08 and 11,062.16 is: 16,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.65 : 31,380.08 = 11,062.16 : x
  2. Step 2: Convert to fraction form
    20,944.65/31,380.08 = 11,062.16/x
  3. Step 3: Cross multiply
    20,944.65x = 31,380.08 × 11,062.16
  4. Step 4: Simplify right side
    20,944.65x = 347,131,253.56
  5. Step 5: Solve for x
    x = 347,131,253.56/20,944.65
  6. Step 6: Final answer
    x = 16,573.74

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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.