Home / 18,018.24-27,003.60-8,162.16

Finding the Fourth Proportional to 18,018.24, 27,003.60 and 8,162.16

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Solution

The fourth proportional to 18,018.24, 27,003.60 and 8,162.16 is: 12,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.24 : 27,003.60 = 8,162.16 : x
  2. Step 2: Convert to fraction form
    18,018.24/27,003.60 = 8,162.16/x
  3. Step 3: Cross multiply
    18,018.24x = 27,003.60 × 8,162.16
  4. Step 4: Simplify right side
    18,018.24x = 220,407,703.78
  5. Step 5: Solve for x
    x = 220,407,703.78/18,018.24
  6. Step 6: Final answer
    x = 12,232.48

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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.