Home / 20,654.43-28,502.19-11,701.41

Finding the Fourth Proportional to 20,654.43, 28,502.19 and 11,701.41

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Solution

The fourth proportional to 20,654.43, 28,502.19 and 11,701.41 is: 16,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654.43 : 28,502.19 = 11,701.41 : x
  2. Step 2: Convert to fraction form
    20,654.43/28,502.19 = 11,701.41/x
  3. Step 3: Cross multiply
    20,654.43x = 28,502.19 × 11,701.41
  4. Step 4: Simplify right side
    20,654.43x = 333,515,811.09
  5. Step 5: Solve for x
    x = 333,515,811.09/20,654.43
  6. Step 6: Final answer
    x = 16,147.42

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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.