Home / 13,589.33-20,380.03-5,267.48

Finding the Fourth Proportional to 13,589.33, 20,380.03 and 5,267.48

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Solution

The fourth proportional to 13,589.33, 20,380.03 and 5,267.48 is: 7,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.33 : 20,380.03 = 5,267.48 : x
  2. Step 2: Convert to fraction form
    13,589.33/20,380.03 = 5,267.48/x
  3. Step 3: Cross multiply
    13,589.33x = 20,380.03 × 5,267.48
  4. Step 4: Simplify right side
    13,589.33x = 107,351,285.36
  5. Step 5: Solve for x
    x = 107,351,285.36/13,589.33
  6. Step 6: Final answer
    x = 7,899.68

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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.