Home / 19,760.60-27,261.99-12,193.79

Finding the Fourth Proportional to 19,760.60, 27,261.99 and 12,193.79

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Solution

The fourth proportional to 19,760.60, 27,261.99 and 12,193.79 is: 16,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.60 : 27,261.99 = 12,193.79 : x
  2. Step 2: Convert to fraction form
    19,760.60/27,261.99 = 12,193.79/x
  3. Step 3: Cross multiply
    19,760.60x = 27,261.99 × 12,193.79
  4. Step 4: Simplify right side
    19,760.60x = 332,426,844.73
  5. Step 5: Solve for x
    x = 332,426,844.73/19,760.60
  6. Step 6: Final answer
    x = 16,822.71

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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.