Home / 20,141.22-27,793.50-11,188.26

Finding the Fourth Proportional to 20,141.22, 27,793.50 and 11,188.26

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Solution

The fourth proportional to 20,141.22, 27,793.50 and 11,188.26 is: 15,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141.22 : 27,793.50 = 11,188.26 : x
  2. Step 2: Convert to fraction form
    20,141.22/27,793.50 = 11,188.26/x
  3. Step 3: Cross multiply
    20,141.22x = 27,793.50 × 11,188.26
  4. Step 4: Simplify right side
    20,141.22x = 310,960,904.31
  5. Step 5: Solve for x
    x = 310,960,904.31/20,141.22
  6. Step 6: Final answer
    x = 15,439.03

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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.