Home / 15,207.26-20,991.03-9,625.82

Finding the Fourth Proportional to 15,207.26, 20,991.03 and 9,625.82

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Solution

The fourth proportional to 15,207.26, 20,991.03 and 9,625.82 is: 13,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,207.26 : 20,991.03 = 9,625.82 : x
  2. Step 2: Convert to fraction form
    15,207.26/20,991.03 = 9,625.82/x
  3. Step 3: Cross multiply
    15,207.26x = 20,991.03 × 9,625.82
  4. Step 4: Simplify right side
    15,207.26x = 202,055,876.39
  5. Step 5: Solve for x
    x = 202,055,876.39/15,207.26
  6. Step 6: Final answer
    x = 13,286.80

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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.