Home / 10,789.11-16,186.16-3,393.38

Finding the Fourth Proportional to 10,789.11, 16,186.16 and 3,393.38

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Solution

The fourth proportional to 10,789.11, 16,186.16 and 3,393.38 is: 5,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.11 : 16,186.16 = 3,393.38 : x
  2. Step 2: Convert to fraction form
    10,789.11/16,186.16 = 3,393.38/x
  3. Step 3: Cross multiply
    10,789.11x = 16,186.16 × 3,393.38
  4. Step 4: Simplify right side
    10,789.11x = 54,925,719.17
  5. Step 5: Solve for x
    x = 54,925,719.17/10,789.11
  6. Step 6: Final answer
    x = 5,090.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.