Home / 19,751.02-27,256.83-11,791.76

Finding the Fourth Proportional to 19,751.02, 27,256.83 and 11,791.76

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Solution

The fourth proportional to 19,751.02, 27,256.83 and 11,791.76 is: 16,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,751.02 : 27,256.83 = 11,791.76 : x
  2. Step 2: Convert to fraction form
    19,751.02/27,256.83 = 11,791.76/x
  3. Step 3: Cross multiply
    19,751.02x = 27,256.83 × 11,791.76
  4. Step 4: Simplify right side
    19,751.02x = 321,405,861.44
  5. Step 5: Solve for x
    x = 321,405,861.44/19,751.02
  6. Step 6: Final answer
    x = 16,272.88

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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.