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Finding the Fourth Proportional to 19,927.56, 29,891.22 and 6,076.56

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Solution

The fourth proportional to 19,927.56, 29,891.22 and 6,076.56 is: 9,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.56 : 29,891.22 = 6,076.56 : x
  2. Step 2: Convert to fraction form
    19,927.56/29,891.22 = 6,076.56/x
  3. Step 3: Cross multiply
    19,927.56x = 29,891.22 × 6,076.56
  4. Step 4: Simplify right side
    19,927.56x = 181,635,791.80
  5. Step 5: Solve for x
    x = 181,635,791.80/19,927.56
  6. Step 6: Final answer
    x = 9,114.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.