Home / 12,836.12-19,249.86-3,599.96

Finding the Fourth Proportional to 12,836.12, 19,249.86 and 3,599.96

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Solution

The fourth proportional to 12,836.12, 19,249.86 and 3,599.96 is: 5,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.12 : 19,249.86 = 3,599.96 : x
  2. Step 2: Convert to fraction form
    12,836.12/19,249.86 = 3,599.96/x
  3. Step 3: Cross multiply
    12,836.12x = 19,249.86 × 3,599.96
  4. Step 4: Simplify right side
    12,836.12x = 69,298,726.01
  5. Step 5: Solve for x
    x = 69,298,726.01/12,836.12
  6. Step 6: Final answer
    x = 5,398.73

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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.