Home / 18,455.24-27,666.40-6,765.73

Finding the Fourth Proportional to 18,455.24, 27,666.40 and 6,765.73

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Solution

The fourth proportional to 18,455.24, 27,666.40 and 6,765.73 is: 10,142.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.24 : 27,666.40 = 6,765.73 : x
  2. Step 2: Convert to fraction form
    18,455.24/27,666.40 = 6,765.73/x
  3. Step 3: Cross multiply
    18,455.24x = 27,666.40 × 6,765.73
  4. Step 4: Simplify right side
    18,455.24x = 187,183,392.47
  5. Step 5: Solve for x
    x = 187,183,392.47/18,455.24
  6. Step 6: Final answer
    x = 10,142.56

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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.