Home / 18,563.43-27,808.02-11,163.81

Finding the Fourth Proportional to 18,563.43, 27,808.02 and 11,163.81

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Solution

The fourth proportional to 18,563.43, 27,808.02 and 11,163.81 is: 16,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.43 : 27,808.02 = 11,163.81 : x
  2. Step 2: Convert to fraction form
    18,563.43/27,808.02 = 11,163.81/x
  3. Step 3: Cross multiply
    18,563.43x = 27,808.02 × 11,163.81
  4. Step 4: Simplify right side
    18,563.43x = 310,443,451.76
  5. Step 5: Solve for x
    x = 310,443,451.76/18,563.43
  6. Step 6: Final answer
    x = 16,723.39

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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.