Home / 18,660.01-27,989.58-7,563.73

Finding the Fourth Proportional to 18,660.01, 27,989.58 and 7,563.73

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Solution

The fourth proportional to 18,660.01, 27,989.58 and 7,563.73 is: 11,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.01 : 27,989.58 = 7,563.73 : x
  2. Step 2: Convert to fraction form
    18,660.01/27,989.58 = 7,563.73/x
  3. Step 3: Cross multiply
    18,660.01x = 27,989.58 × 7,563.73
  4. Step 4: Simplify right side
    18,660.01x = 211,705,625.93
  5. Step 5: Solve for x
    x = 211,705,625.93/18,660.01
  6. Step 6: Final answer
    x = 11,345.42

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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.