Home / 18,108.64-27,163.53-5,628.73

Finding the Fourth Proportional to 18,108.64, 27,163.53 and 5,628.73

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Solution

The fourth proportional to 18,108.64, 27,163.53 and 5,628.73 is: 8,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.64 : 27,163.53 = 5,628.73 : x
  2. Step 2: Convert to fraction form
    18,108.64/27,163.53 = 5,628.73/x
  3. Step 3: Cross multiply
    18,108.64x = 27,163.53 × 5,628.73
  4. Step 4: Simplify right side
    18,108.64x = 152,896,176.22
  5. Step 5: Solve for x
    x = 152,896,176.22/18,108.64
  6. Step 6: Final answer
    x = 8,443.27

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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.