Home / 13,441.28-20,163.54-5,649.08

Finding the Fourth Proportional to 13,441.28, 20,163.54 and 5,649.08

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Solution

The fourth proportional to 13,441.28, 20,163.54 and 5,649.08 is: 8,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.28 : 20,163.54 = 5,649.08 : x
  2. Step 2: Convert to fraction form
    13,441.28/20,163.54 = 5,649.08/x
  3. Step 3: Cross multiply
    13,441.28x = 20,163.54 × 5,649.08
  4. Step 4: Simplify right side
    13,441.28x = 113,905,450.54
  5. Step 5: Solve for x
    x = 113,905,450.54/13,441.28
  6. Step 6: Final answer
    x = 8,474.30

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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.