Home / 22,171.44-30,586.78-14,998.80

Finding the Fourth Proportional to 22,171.44, 30,586.78 and 14,998.80

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Solution

The fourth proportional to 22,171.44, 30,586.78 and 14,998.80 is: 20,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.44 : 30,586.78 = 14,998.80 : x
  2. Step 2: Convert to fraction form
    22,171.44/30,586.78 = 14,998.80/x
  3. Step 3: Cross multiply
    22,171.44x = 30,586.78 × 14,998.80
  4. Step 4: Simplify right side
    22,171.44x = 458,764,995.86
  5. Step 5: Solve for x
    x = 458,764,995.86/22,171.44
  6. Step 6: Final answer
    x = 20,691.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.