Home / 13,148.11-19,716.90-6,217.75

Finding the Fourth Proportional to 13,148.11, 19,716.90 and 6,217.75

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Solution

The fourth proportional to 13,148.11, 19,716.90 and 6,217.75 is: 9,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.11 : 19,716.90 = 6,217.75 : x
  2. Step 2: Convert to fraction form
    13,148.11/19,716.90 = 6,217.75/x
  3. Step 3: Cross multiply
    13,148.11x = 19,716.90 × 6,217.75
  4. Step 4: Simplify right side
    13,148.11x = 122,594,754.98
  5. Step 5: Solve for x
    x = 122,594,754.98/13,148.11
  6. Step 6: Final answer
    x = 9,324.14

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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.