Home / 12,796.32-19,153.44-6,858.39

Finding the Fourth Proportional to 12,796.32, 19,153.44 and 6,858.39

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Solution

The fourth proportional to 12,796.32, 19,153.44 and 6,858.39 is: 10,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.32 : 19,153.44 = 6,858.39 : x
  2. Step 2: Convert to fraction form
    12,796.32/19,153.44 = 6,858.39/x
  3. Step 3: Cross multiply
    12,796.32x = 19,153.44 × 6,858.39
  4. Step 4: Simplify right side
    12,796.32x = 131,361,761.36
  5. Step 5: Solve for x
    x = 131,361,761.36/12,796.32
  6. Step 6: Final answer
    x = 10,265.59

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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.