Home / 13,453.11-20,177.28-4,090.86

Finding the Fourth Proportional to 13,453.11, 20,177.28 and 4,090.86

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Solution

The fourth proportional to 13,453.11, 20,177.28 and 4,090.86 is: 6,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.11 : 20,177.28 = 4,090.86 : x
  2. Step 2: Convert to fraction form
    13,453.11/20,177.28 = 4,090.86/x
  3. Step 3: Cross multiply
    13,453.11x = 20,177.28 × 4,090.86
  4. Step 4: Simplify right side
    13,453.11x = 82,542,427.66
  5. Step 5: Solve for x
    x = 82,542,427.66/13,453.11
  6. Step 6: Final answer
    x = 6,135.56

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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.