Home / 12,825.36-17,693.64-8,634.96

Finding the Fourth Proportional to 12,825.36, 17,693.64 and 8,634.96

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Solution

The fourth proportional to 12,825.36, 17,693.64 and 8,634.96 is: 11,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.36 : 17,693.64 = 8,634.96 : x
  2. Step 2: Convert to fraction form
    12,825.36/17,693.64 = 8,634.96/x
  3. Step 3: Cross multiply
    12,825.36x = 17,693.64 × 8,634.96
  4. Step 4: Simplify right side
    12,825.36x = 152,783,873.65
  5. Step 5: Solve for x
    x = 152,783,873.65/12,825.36
  6. Step 6: Final answer
    x = 11,912.64

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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.