Home / 18,145.46-27,228.77-7,614.59

Finding the Fourth Proportional to 18,145.46, 27,228.77 and 7,614.59

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Solution

The fourth proportional to 18,145.46, 27,228.77 and 7,614.59 is: 11,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.46 : 27,228.77 = 7,614.59 : x
  2. Step 2: Convert to fraction form
    18,145.46/27,228.77 = 7,614.59/x
  3. Step 3: Cross multiply
    18,145.46x = 27,228.77 × 7,614.59
  4. Step 4: Simplify right side
    18,145.46x = 207,335,745.54
  5. Step 5: Solve for x
    x = 207,335,745.54/18,145.46
  6. Step 6: Final answer
    x = 11,426.32

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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.