Home / 13,965.14-20,950.65-4,103.60

Finding the Fourth Proportional to 13,965.14, 20,950.65 and 4,103.60

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Solution

The fourth proportional to 13,965.14, 20,950.65 and 4,103.60 is: 6,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.14 : 20,950.65 = 4,103.60 : x
  2. Step 2: Convert to fraction form
    13,965.14/20,950.65 = 4,103.60/x
  3. Step 3: Cross multiply
    13,965.14x = 20,950.65 × 4,103.60
  4. Step 4: Simplify right side
    13,965.14x = 85,972,982.59
  5. Step 5: Solve for x
    x = 85,972,982.59/13,965.14
  6. Step 6: Final answer
    x = 6,156.26

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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.