Home / 13,826.43-20,742.21-7,583.04

Finding the Fourth Proportional to 13,826.43, 20,742.21 and 7,583.04

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Solution

The fourth proportional to 13,826.43, 20,742.21 and 7,583.04 is: 11,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.43 : 20,742.21 = 7,583.04 : x
  2. Step 2: Convert to fraction form
    13,826.43/20,742.21 = 7,583.04/x
  3. Step 3: Cross multiply
    13,826.43x = 20,742.21 × 7,583.04
  4. Step 4: Simplify right side
    13,826.43x = 157,289,008.12
  5. Step 5: Solve for x
    x = 157,289,008.12/13,826.43
  6. Step 6: Final answer
    x = 11,375.97

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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.