Home / 13,480.62-20,227.47-5,475.19

Finding the Fourth Proportional to 13,480.62, 20,227.47 and 5,475.19

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Solution

The fourth proportional to 13,480.62, 20,227.47 and 5,475.19 is: 8,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.62 : 20,227.47 = 5,475.19 : x
  2. Step 2: Convert to fraction form
    13,480.62/20,227.47 = 5,475.19/x
  3. Step 3: Cross multiply
    13,480.62x = 20,227.47 × 5,475.19
  4. Step 4: Simplify right side
    13,480.62x = 110,749,214.09
  5. Step 5: Solve for x
    x = 110,749,214.09/13,480.62
  6. Step 6: Final answer
    x = 8,215.44

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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.