Home / 18,015.08-27,022.26-8,147.46

Finding the Fourth Proportional to 18,015.08, 27,022.26 and 8,147.46

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Solution

The fourth proportional to 18,015.08, 27,022.26 and 8,147.46 is: 12,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.08 : 27,022.26 = 8,147.46 : x
  2. Step 2: Convert to fraction form
    18,015.08/27,022.26 = 8,147.46/x
  3. Step 3: Cross multiply
    18,015.08x = 27,022.26 × 8,147.46
  4. Step 4: Simplify right side
    18,015.08x = 220,162,782.46
  5. Step 5: Solve for x
    x = 220,162,782.46/18,015.08
  6. Step 6: Final answer
    x = 12,221.03

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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.