Home / 12,914.73-19,374.17-5,519.25

Finding the Fourth Proportional to 12,914.73, 19,374.17 and 5,519.25

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Solution

The fourth proportional to 12,914.73, 19,374.17 and 5,519.25 is: 8,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914.73 : 19,374.17 = 5,519.25 : x
  2. Step 2: Convert to fraction form
    12,914.73/19,374.17 = 5,519.25/x
  3. Step 3: Cross multiply
    12,914.73x = 19,374.17 × 5,519.25
  4. Step 4: Simplify right side
    12,914.73x = 106,930,860.18
  5. Step 5: Solve for x
    x = 106,930,860.18/12,914.73
  6. Step 6: Final answer
    x = 8,279.76

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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.