Home / 13,338.26-20,007.40-4,104.26

Finding the Fourth Proportional to 13,338.26, 20,007.40 and 4,104.26

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Solution

The fourth proportional to 13,338.26, 20,007.40 and 4,104.26 is: 6,156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.26 : 20,007.40 = 4,104.26 : x
  2. Step 2: Convert to fraction form
    13,338.26/20,007.40 = 4,104.26/x
  3. Step 3: Cross multiply
    13,338.26x = 20,007.40 × 4,104.26
  4. Step 4: Simplify right side
    13,338.26x = 82,115,571.52
  5. Step 5: Solve for x
    x = 82,115,571.52/13,338.26
  6. Step 6: Final answer
    x = 6,156.39

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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.