Home / 20,433.29-30,650.24-6,392.75

Finding the Fourth Proportional to 20,433.29, 30,650.24 and 6,392.75

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Solution

The fourth proportional to 20,433.29, 30,650.24 and 6,392.75 is: 9,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433.29 : 30,650.24 = 6,392.75 : x
  2. Step 2: Convert to fraction form
    20,433.29/30,650.24 = 6,392.75/x
  3. Step 3: Cross multiply
    20,433.29x = 30,650.24 × 6,392.75
  4. Step 4: Simplify right side
    20,433.29x = 195,939,184.49
  5. Step 5: Solve for x
    x = 195,939,184.49/20,433.29
  6. Step 6: Final answer
    x = 9,589.22

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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.