Home / 12,592.41-18,891.33-3,828.03

Finding the Fourth Proportional to 12,592.41, 18,891.33 and 3,828.03

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Solution

The fourth proportional to 12,592.41, 18,891.33 and 3,828.03 is: 5,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592.41 : 18,891.33 = 3,828.03 : x
  2. Step 2: Convert to fraction form
    12,592.41/18,891.33 = 3,828.03/x
  3. Step 3: Cross multiply
    12,592.41x = 18,891.33 × 3,828.03
  4. Step 4: Simplify right side
    12,592.41x = 72,316,577.98
  5. Step 5: Solve for x
    x = 72,316,577.98/12,592.41
  6. Step 6: Final answer
    x = 5,742.87

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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.