Home / 13,399.56-20,099.10-5,500.36

Finding the Fourth Proportional to 13,399.56, 20,099.10 and 5,500.36

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Solution

The fourth proportional to 13,399.56, 20,099.10 and 5,500.36 is: 8,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.56 : 20,099.10 = 5,500.36 : x
  2. Step 2: Convert to fraction form
    13,399.56/20,099.10 = 5,500.36/x
  3. Step 3: Cross multiply
    13,399.56x = 20,099.10 × 5,500.36
  4. Step 4: Simplify right side
    13,399.56x = 110,552,285.68
  5. Step 5: Solve for x
    x = 110,552,285.68/13,399.56
  6. Step 6: Final answer
    x = 8,250.44

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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.