Home / 18,406.82-27,610.02-6,719.94

Finding the Fourth Proportional to 18,406.82, 27,610.02 and 6,719.94

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Solution

The fourth proportional to 18,406.82, 27,610.02 and 6,719.94 is: 10,079.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.82 : 27,610.02 = 6,719.94 : x
  2. Step 2: Convert to fraction form
    18,406.82/27,610.02 = 6,719.94/x
  3. Step 3: Cross multiply
    18,406.82x = 27,610.02 × 6,719.94
  4. Step 4: Simplify right side
    18,406.82x = 185,537,677.80
  5. Step 5: Solve for x
    x = 185,537,677.80/18,406.82
  6. Step 6: Final answer
    x = 10,079.83

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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.