Home / 13,453.92-20,181.24-6,434.76

Finding the Fourth Proportional to 13,453.92, 20,181.24 and 6,434.76

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Solution

The fourth proportional to 13,453.92, 20,181.24 and 6,434.76 is: 9,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.92 : 20,181.24 = 6,434.76 : x
  2. Step 2: Convert to fraction form
    13,453.92/20,181.24 = 6,434.76/x
  3. Step 3: Cross multiply
    13,453.92x = 20,181.24 × 6,434.76
  4. Step 4: Simplify right side
    13,453.92x = 129,861,435.90
  5. Step 5: Solve for x
    x = 129,861,435.90/13,453.92
  6. Step 6: Final answer
    x = 9,652.31

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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.