Home / 12,625.53-17,422.97-7,321.29

Finding the Fourth Proportional to 12,625.53, 17,422.97 and 7,321.29

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Solution

The fourth proportional to 12,625.53, 17,422.97 and 7,321.29 is: 10,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.53 : 17,422.97 = 7,321.29 : x
  2. Step 2: Convert to fraction form
    12,625.53/17,422.97 = 7,321.29/x
  3. Step 3: Cross multiply
    12,625.53x = 17,422.97 × 7,321.29
  4. Step 4: Simplify right side
    12,625.53x = 127,558,579.42
  5. Step 5: Solve for x
    x = 127,558,579.42/12,625.53
  6. Step 6: Final answer
    x = 10,103.23

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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.