Home / 18,645.96-27,962.28-6,163.68

Finding the Fourth Proportional to 18,645.96, 27,962.28 and 6,163.68

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Solution

The fourth proportional to 18,645.96, 27,962.28 and 6,163.68 is: 9,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.96 : 27,962.28 = 6,163.68 : x
  2. Step 2: Convert to fraction form
    18,645.96/27,962.28 = 6,163.68/x
  3. Step 3: Cross multiply
    18,645.96x = 27,962.28 × 6,163.68
  4. Step 4: Simplify right side
    18,645.96x = 172,350,545.99
  5. Step 5: Solve for x
    x = 172,350,545.99/18,645.96
  6. Step 6: Final answer
    x = 9,243.32

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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.