Home / 12,716.55-19,063.22-4,919.49

Finding the Fourth Proportional to 12,716.55, 19,063.22 and 4,919.49

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Solution

The fourth proportional to 12,716.55, 19,063.22 and 4,919.49 is: 7,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.55 : 19,063.22 = 4,919.49 : x
  2. Step 2: Convert to fraction form
    12,716.55/19,063.22 = 4,919.49/x
  3. Step 3: Cross multiply
    12,716.55x = 19,063.22 × 4,919.49
  4. Step 4: Simplify right side
    12,716.55x = 93,781,295.56
  5. Step 5: Solve for x
    x = 93,781,295.56/12,716.55
  6. Step 6: Final answer
    x = 7,374.74

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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.