Home / 13,589.57-20,367.84-9,882.56

Finding the Fourth Proportional to 13,589.57, 20,367.84 and 9,882.56

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Solution

The fourth proportional to 13,589.57, 20,367.84 and 9,882.56 is: 14,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.57 : 20,367.84 = 9,882.56 : x
  2. Step 2: Convert to fraction form
    13,589.57/20,367.84 = 9,882.56/x
  3. Step 3: Cross multiply
    13,589.57x = 20,367.84 × 9,882.56
  4. Step 4: Simplify right side
    13,589.57x = 201,286,400.87
  5. Step 5: Solve for x
    x = 201,286,400.87/13,589.57
  6. Step 6: Final answer
    x = 14,811.83

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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.