Home / 19,733.20-27,227.34-11,773.88

Finding the Fourth Proportional to 19,733.20, 27,227.34 and 11,773.88

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Solution

The fourth proportional to 19,733.20, 27,227.34 and 11,773.88 is: 16,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.20 : 27,227.34 = 11,773.88 : x
  2. Step 2: Convert to fraction form
    19,733.20/27,227.34 = 11,773.88/x
  3. Step 3: Cross multiply
    19,733.20x = 27,227.34 × 11,773.88
  4. Step 4: Simplify right side
    19,733.20x = 320,571,433.88
  5. Step 5: Solve for x
    x = 320,571,433.88/19,733.20
  6. Step 6: Final answer
    x = 16,245.28

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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.