Home / 13,823.69-20,735.66-3,435.44

Finding the Fourth Proportional to 13,823.69, 20,735.66 and 3,435.44

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Solution

The fourth proportional to 13,823.69, 20,735.66 and 3,435.44 is: 5,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.69 : 20,735.66 = 3,435.44 : x
  2. Step 2: Convert to fraction form
    13,823.69/20,735.66 = 3,435.44/x
  3. Step 3: Cross multiply
    13,823.69x = 20,735.66 × 3,435.44
  4. Step 4: Simplify right side
    13,823.69x = 71,236,020.70
  5. Step 5: Solve for x
    x = 71,236,020.70/13,823.69
  6. Step 6: Final answer
    x = 5,153.19

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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.