Home / 13,760.93-20,641.36-3,900.30

Finding the Fourth Proportional to 13,760.93, 20,641.36 and 3,900.30

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Solution

The fourth proportional to 13,760.93, 20,641.36 and 3,900.30 is: 5,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.93 : 20,641.36 = 3,900.30 : x
  2. Step 2: Convert to fraction form
    13,760.93/20,641.36 = 3,900.30/x
  3. Step 3: Cross multiply
    13,760.93x = 20,641.36 × 3,900.30
  4. Step 4: Simplify right side
    13,760.93x = 80,507,446.89
  5. Step 5: Solve for x
    x = 80,507,446.89/13,760.93
  6. Step 6: Final answer
    x = 5,850.44

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Similar ratio
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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.