Home / 12,573.11-18,859.82-3,808.41

Finding the Fourth Proportional to 12,573.11, 18,859.82 and 3,808.41

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Solution

The fourth proportional to 12,573.11, 18,859.82 and 3,808.41 is: 5,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.11 : 18,859.82 = 3,808.41 : x
  2. Step 2: Convert to fraction form
    12,573.11/18,859.82 = 3,808.41/x
  3. Step 3: Cross multiply
    12,573.11x = 18,859.82 × 3,808.41
  4. Step 4: Simplify right side
    12,573.11x = 71,825,927.09
  5. Step 5: Solve for x
    x = 71,825,927.09/12,573.11
  6. Step 6: Final answer
    x = 5,712.66

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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.