Home / 13,399.33-20,099.93-4,039.42

Finding the Fourth Proportional to 13,399.33, 20,099.93 and 4,039.42

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Solution

The fourth proportional to 13,399.33, 20,099.93 and 4,039.42 is: 6,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.33 : 20,099.93 = 4,039.42 : x
  2. Step 2: Convert to fraction form
    13,399.33/20,099.93 = 4,039.42/x
  3. Step 3: Cross multiply
    13,399.33x = 20,099.93 × 4,039.42
  4. Step 4: Simplify right side
    13,399.33x = 81,192,039.04
  5. Step 5: Solve for x
    x = 81,192,039.04/13,399.33
  6. Step 6: Final answer
    x = 6,059.41

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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.