Home / 20,196.79-27,861.99-14,231.74

Finding the Fourth Proportional to 20,196.79, 27,861.99 and 14,231.74

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Solution

The fourth proportional to 20,196.79, 27,861.99 and 14,231.74 is: 19,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.79 : 27,861.99 = 14,231.74 : x
  2. Step 2: Convert to fraction form
    20,196.79/27,861.99 = 14,231.74/x
  3. Step 3: Cross multiply
    20,196.79x = 27,861.99 × 14,231.74
  4. Step 4: Simplify right side
    20,196.79x = 396,524,458.25
  5. Step 5: Solve for x
    x = 396,524,458.25/20,196.79
  6. Step 6: Final answer
    x = 19,633.05

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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.