Home / 9,515.73-13,120.52-7,625.80

Finding the Fourth Proportional to 9,515.73, 13,120.52 and 7,625.80

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Solution

The fourth proportional to 9,515.73, 13,120.52 and 7,625.80 is: 10,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.73 : 13,120.52 = 7,625.80 : x
  2. Step 2: Convert to fraction form
    9,515.73/13,120.52 = 7,625.80/x
  3. Step 3: Cross multiply
    9,515.73x = 13,120.52 × 7,625.80
  4. Step 4: Simplify right side
    9,515.73x = 100,054,398.06
  5. Step 5: Solve for x
    x = 100,054,398.06/9,515.73
  6. Step 6: Final answer
    x = 10,514.63

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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.