Home / 19,939.37-29,884.42-10,081.46

Finding the Fourth Proportional to 19,939.37, 29,884.42 and 10,081.46

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Solution

The fourth proportional to 19,939.37, 29,884.42 and 10,081.46 is: 15,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.37 : 29,884.42 = 10,081.46 : x
  2. Step 2: Convert to fraction form
    19,939.37/29,884.42 = 10,081.46/x
  3. Step 3: Cross multiply
    19,939.37x = 29,884.42 × 10,081.46
  4. Step 4: Simplify right side
    19,939.37x = 301,278,584.85
  5. Step 5: Solve for x
    x = 301,278,584.85/19,939.37
  6. Step 6: Final answer
    x = 15,109.73

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1.5x scale

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.