Home / 20,245.50-27,937.44-11,631.96

Finding the Fourth Proportional to 20,245.50, 27,937.44 and 11,631.96

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Solution

The fourth proportional to 20,245.50, 27,937.44 and 11,631.96 is: 16,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245.50 : 27,937.44 = 11,631.96 : x
  2. Step 2: Convert to fraction form
    20,245.50/27,937.44 = 11,631.96/x
  3. Step 3: Cross multiply
    20,245.50x = 27,937.44 × 11,631.96
  4. Step 4: Simplify right side
    20,245.50x = 324,967,184.58
  5. Step 5: Solve for x
    x = 324,967,184.58/20,245.50
  6. Step 6: Final answer
    x = 16,051.33

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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.