Home / 13,837.67-20,748.20-5,518.97

Finding the Fourth Proportional to 13,837.67, 20,748.20 and 5,518.97

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Solution

The fourth proportional to 13,837.67, 20,748.20 and 5,518.97 is: 8,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.67 : 20,748.20 = 5,518.97 : x
  2. Step 2: Convert to fraction form
    13,837.67/20,748.20 = 5,518.97/x
  3. Step 3: Cross multiply
    13,837.67x = 20,748.20 × 5,518.97
  4. Step 4: Simplify right side
    13,837.67x = 114,508,562.02
  5. Step 5: Solve for x
    x = 114,508,562.02/13,837.67
  6. Step 6: Final answer
    x = 8,275.14

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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.