Home / 22,324.87-30,810.21-12,255.02

Finding the Fourth Proportional to 22,324.87, 30,810.21 and 12,255.02

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Solution

The fourth proportional to 22,324.87, 30,810.21 and 12,255.02 is: 16,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,324.87 : 30,810.21 = 12,255.02 : x
  2. Step 2: Convert to fraction form
    22,324.87/30,810.21 = 12,255.02/x
  3. Step 3: Cross multiply
    22,324.87x = 30,810.21 × 12,255.02
  4. Step 4: Simplify right side
    22,324.87x = 377,579,739.75
  5. Step 5: Solve for x
    x = 377,579,739.75/22,324.87
  6. Step 6: Final answer
    x = 16,912.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.