Home / 13,535.32-20,305-4,174.56

Finding the Fourth Proportional to 13,535.32, 20,305 and 4,174.56

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Solution

The fourth proportional to 13,535.32, 20,305 and 4,174.56 is: 6,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.32 : 20,305 = 4,174.56 : x
  2. Step 2: Convert to fraction form
    13,535.32/20,305 = 4,174.56/x
  3. Step 3: Cross multiply
    13,535.32x = 20,305 × 4,174.56
  4. Step 4: Simplify right side
    13,535.32x = 84,764,440.80
  5. Step 5: Solve for x
    x = 84,764,440.80/13,535.32
  6. Step 6: Final answer
    x = 6,262.46

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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.