Home / 20,246.67-27,940.45-11,294.75

Finding the Fourth Proportional to 20,246.67, 27,940.45 and 11,294.75

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Solution

The fourth proportional to 20,246.67, 27,940.45 and 11,294.75 is: 15,586.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.67 : 27,940.45 = 11,294.75 : x
  2. Step 2: Convert to fraction form
    20,246.67/27,940.45 = 11,294.75/x
  3. Step 3: Cross multiply
    20,246.67x = 27,940.45 × 11,294.75
  4. Step 4: Simplify right side
    20,246.67x = 315,580,397.64
  5. Step 5: Solve for x
    x = 315,580,397.64/20,246.67
  6. Step 6: Final answer
    x = 15,586.78

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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.