Home / 22,311.25-30,790.26-12,240.52

Finding the Fourth Proportional to 22,311.25, 30,790.26 and 12,240.52

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Solution

The fourth proportional to 22,311.25, 30,790.26 and 12,240.52 is: 16,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,311.25 : 30,790.26 = 12,240.52 : x
  2. Step 2: Convert to fraction form
    22,311.25/30,790.26 = 12,240.52/x
  3. Step 3: Cross multiply
    22,311.25x = 30,790.26 × 12,240.52
  4. Step 4: Simplify right side
    22,311.25x = 376,888,716.36
  5. Step 5: Solve for x
    x = 376,888,716.36/22,311.25
  6. Step 6: Final answer
    x = 16,892.32

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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.