Home / 20,270.06-27,964.72-11,770.73

Finding the Fourth Proportional to 20,270.06, 27,964.72 and 11,770.73

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Solution

The fourth proportional to 20,270.06, 27,964.72 and 11,770.73 is: 16,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,270.06 : 27,964.72 = 11,770.73 : x
  2. Step 2: Convert to fraction form
    20,270.06/27,964.72 = 11,770.73/x
  3. Step 3: Cross multiply
    20,270.06x = 27,964.72 × 11,770.73
  4. Step 4: Simplify right side
    20,270.06x = 329,165,168.65
  5. Step 5: Solve for x
    x = 329,165,168.65/20,270.06
  6. Step 6: Final answer
    x = 16,238.98

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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.