Home / 13,835.25-20,748.25-4,472.75

Finding the Fourth Proportional to 13,835.25, 20,748.25 and 4,472.75

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Solution

The fourth proportional to 13,835.25, 20,748.25 and 4,472.75 is: 6,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.25 : 20,748.25 = 4,472.75 : x
  2. Step 2: Convert to fraction form
    13,835.25/20,748.25 = 4,472.75/x
  3. Step 3: Cross multiply
    13,835.25x = 20,748.25 × 4,472.75
  4. Step 4: Simplify right side
    13,835.25x = 92,801,620.26
  5. Step 5: Solve for x
    x = 92,801,620.26/13,835.25
  6. Step 6: Final answer
    x = 6,707.62

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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.