Home / 13,768.30-20,652.42-3,907.59

Finding the Fourth Proportional to 13,768.30, 20,652.42 and 3,907.59

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Solution

The fourth proportional to 13,768.30, 20,652.42 and 3,907.59 is: 5,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.30 : 20,652.42 = 3,907.59 : x
  2. Step 2: Convert to fraction form
    13,768.30/20,652.42 = 3,907.59/x
  3. Step 3: Cross multiply
    13,768.30x = 20,652.42 × 3,907.59
  4. Step 4: Simplify right side
    13,768.30x = 80,701,221.26
  5. Step 5: Solve for x
    x = 80,701,221.26/13,768.30
  6. Step 6: Final answer
    x = 5,861.38

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1.5x scale

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.