Home / 20,589.24-30,918.03-12,847.26

Finding the Fourth Proportional to 20,589.24, 30,918.03 and 12,847.26

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Solution

The fourth proportional to 20,589.24, 30,918.03 and 12,847.26 is: 19,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589.24 : 30,918.03 = 12,847.26 : x
  2. Step 2: Convert to fraction form
    20,589.24/30,918.03 = 12,847.26/x
  3. Step 3: Cross multiply
    20,589.24x = 30,918.03 × 12,847.26
  4. Step 4: Simplify right side
    20,589.24x = 397,211,900.08
  5. Step 5: Solve for x
    x = 397,211,900.08/20,589.24
  6. Step 6: Final answer
    x = 19,292.21

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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.