Home / 18,530.24-27,775.44-8,005.22

Finding the Fourth Proportional to 18,530.24, 27,775.44 and 8,005.22

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Solution

The fourth proportional to 18,530.24, 27,775.44 and 8,005.22 is: 11,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.24 : 27,775.44 = 8,005.22 : x
  2. Step 2: Convert to fraction form
    18,530.24/27,775.44 = 8,005.22/x
  3. Step 3: Cross multiply
    18,530.24x = 27,775.44 × 8,005.22
  4. Step 4: Simplify right side
    18,530.24x = 222,348,507.80
  5. Step 5: Solve for x
    x = 222,348,507.80/18,530.24
  6. Step 6: Final answer
    x = 11,999.22

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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.