Home / 12,450.60-17,181.16-7,734.80

Finding the Fourth Proportional to 12,450.60, 17,181.16 and 7,734.80

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Solution

The fourth proportional to 12,450.60, 17,181.16 and 7,734.80 is: 10,673.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.60 : 17,181.16 = 7,734.80 : x
  2. Step 2: Convert to fraction form
    12,450.60/17,181.16 = 7,734.80/x
  3. Step 3: Cross multiply
    12,450.60x = 17,181.16 × 7,734.80
  4. Step 4: Simplify right side
    12,450.60x = 132,892,836.37
  5. Step 5: Solve for x
    x = 132,892,836.37/12,450.60
  6. Step 6: Final answer
    x = 10,673.61

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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.