Home / 12,825.75-19,222.83-9,107.85

Finding the Fourth Proportional to 12,825.75, 19,222.83 and 9,107.85

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Solution

The fourth proportional to 12,825.75, 19,222.83 and 9,107.85 is: 13,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.75 : 19,222.83 = 9,107.85 : x
  2. Step 2: Convert to fraction form
    12,825.75/19,222.83 = 9,107.85/x
  3. Step 3: Cross multiply
    12,825.75x = 19,222.83 × 9,107.85
  4. Step 4: Simplify right side
    12,825.75x = 175,078,652.22
  5. Step 5: Solve for x
    x = 175,078,652.22/12,825.75
  6. Step 6: Final answer
    x = 13,650.56

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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.