Home / 13,995.28-20,993.00-3,607.03

Finding the Fourth Proportional to 13,995.28, 20,993.00 and 3,607.03

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Solution

The fourth proportional to 13,995.28, 20,993.00 and 3,607.03 is: 5,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.28 : 20,993.00 = 3,607.03 : x
  2. Step 2: Convert to fraction form
    13,995.28/20,993.00 = 3,607.03/x
  3. Step 3: Cross multiply
    13,995.28x = 20,993.00 × 3,607.03
  4. Step 4: Simplify right side
    13,995.28x = 75,722,399.14
  5. Step 5: Solve for x
    x = 75,722,399.14/13,995.28
  6. Step 6: Final answer
    x = 5,410.57

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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.