Home / 12,608.36-18,944.82-9,517.48

Finding the Fourth Proportional to 12,608.36, 18,944.82 and 9,517.48

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Solution

The fourth proportional to 12,608.36, 18,944.82 and 9,517.48 is: 14,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.36 : 18,944.82 = 9,517.48 : x
  2. Step 2: Convert to fraction form
    12,608.36/18,944.82 = 9,517.48/x
  3. Step 3: Cross multiply
    12,608.36x = 18,944.82 × 9,517.48
  4. Step 4: Simplify right side
    12,608.36x = 180,306,898.09
  5. Step 5: Solve for x
    x = 180,306,898.09/12,608.36
  6. Step 6: Final answer
    x = 14,300.58

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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.