Home / 13,609.06-20,410.48-3,749.20

Finding the Fourth Proportional to 13,609.06, 20,410.48 and 3,749.20

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Solution

The fourth proportional to 13,609.06, 20,410.48 and 3,749.20 is: 5,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609.06 : 20,410.48 = 3,749.20 : x
  2. Step 2: Convert to fraction form
    13,609.06/20,410.48 = 3,749.20/x
  3. Step 3: Cross multiply
    13,609.06x = 20,410.48 × 3,749.20
  4. Step 4: Simplify right side
    13,609.06x = 76,522,850.82
  5. Step 5: Solve for x
    x = 76,522,850.82/13,609.06
  6. Step 6: Final answer
    x = 5,622.94

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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.