Home / 18,669.18-27,996.48-8,273.64

Finding the Fourth Proportional to 18,669.18, 27,996.48 and 8,273.64

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Solution

The fourth proportional to 18,669.18, 27,996.48 and 8,273.64 is: 12,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.18 : 27,996.48 = 8,273.64 : x
  2. Step 2: Convert to fraction form
    18,669.18/27,996.48 = 8,273.64/x
  3. Step 3: Cross multiply
    18,669.18x = 27,996.48 × 8,273.64
  4. Step 4: Simplify right side
    18,669.18x = 231,632,796.79
  5. Step 5: Solve for x
    x = 231,632,796.79/18,669.18
  6. Step 6: Final answer
    x = 12,407.23

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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.