Home / 12,859.11-19,290.20-4,537.41

Finding the Fourth Proportional to 12,859.11, 19,290.20 and 4,537.41

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Solution

The fourth proportional to 12,859.11, 19,290.20 and 4,537.41 is: 6,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.11 : 19,290.20 = 4,537.41 : x
  2. Step 2: Convert to fraction form
    12,859.11/19,290.20 = 4,537.41/x
  3. Step 3: Cross multiply
    12,859.11x = 19,290.20 × 4,537.41
  4. Step 4: Simplify right side
    12,859.11x = 87,527,546.38
  5. Step 5: Solve for x
    x = 87,527,546.38/12,859.11
  6. Step 6: Final answer
    x = 6,806.66

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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.