Home / 12,403.44-17,103.87-9,571.28

Finding the Fourth Proportional to 12,403.44, 17,103.87 and 9,571.28

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Solution

The fourth proportional to 12,403.44, 17,103.87 and 9,571.28 is: 13,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.44 : 17,103.87 = 9,571.28 : x
  2. Step 2: Convert to fraction form
    12,403.44/17,103.87 = 9,571.28/x
  3. Step 3: Cross multiply
    12,403.44x = 17,103.87 × 9,571.28
  4. Step 4: Simplify right side
    12,403.44x = 163,705,843.33
  5. Step 5: Solve for x
    x = 163,705,843.33/12,403.44
  6. Step 6: Final answer
    x = 13,198.42

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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.