Home / 11,394.64-17,099.45-3,998.90

Finding the Fourth Proportional to 11,394.64, 17,099.45 and 3,998.90

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Solution

The fourth proportional to 11,394.64, 17,099.45 and 3,998.90 is: 6,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.64 : 17,099.45 = 3,998.90 : x
  2. Step 2: Convert to fraction form
    11,394.64/17,099.45 = 3,998.90/x
  3. Step 3: Cross multiply
    11,394.64x = 17,099.45 × 3,998.90
  4. Step 4: Simplify right side
    11,394.64x = 68,378,885.11
  5. Step 5: Solve for x
    x = 68,378,885.11/11,394.64
  6. Step 6: Final answer
    x = 6,000.97

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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.