Home / 12,625.44-17,422.04-7,320.60

Finding the Fourth Proportional to 12,625.44, 17,422.04 and 7,320.60

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Solution

The fourth proportional to 12,625.44, 17,422.04 and 7,320.60 is: 10,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.44 : 17,422.04 = 7,320.60 : x
  2. Step 2: Convert to fraction form
    12,625.44/17,422.04 = 7,320.60/x
  3. Step 3: Cross multiply
    12,625.44x = 17,422.04 × 7,320.60
  4. Step 4: Simplify right side
    12,625.44x = 127,539,786.02
  5. Step 5: Solve for x
    x = 127,539,786.02/12,625.44
  6. Step 6: Final answer
    x = 10,101.81

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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.