Home / 11,819.97-16,310.25-6,784.07

Finding the Fourth Proportional to 11,819.97, 16,310.25 and 6,784.07

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Solution

The fourth proportional to 11,819.97, 16,310.25 and 6,784.07 is: 9,361.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.97 : 16,310.25 = 6,784.07 : x
  2. Step 2: Convert to fraction form
    11,819.97/16,310.25 = 6,784.07/x
  3. Step 3: Cross multiply
    11,819.97x = 16,310.25 × 6,784.07
  4. Step 4: Simplify right side
    11,819.97x = 110,649,796.17
  5. Step 5: Solve for x
    x = 110,649,796.17/11,819.97
  6. Step 6: Final answer
    x = 9,361.26

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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.