Home / 20,723.14-28,596.96-11,769.48

Finding the Fourth Proportional to 20,723.14, 28,596.96 and 11,769.48

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Solution

The fourth proportional to 20,723.14, 28,596.96 and 11,769.48 is: 16,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.14 : 28,596.96 = 11,769.48 : x
  2. Step 2: Convert to fraction form
    20,723.14/28,596.96 = 11,769.48/x
  3. Step 3: Cross multiply
    20,723.14x = 28,596.96 × 11,769.48
  4. Step 4: Simplify right side
    20,723.14x = 336,571,348.78
  5. Step 5: Solve for x
    x = 336,571,348.78/20,723.14
  6. Step 6: Final answer
    x = 16,241.33

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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.