Home / 15,610.35-21,553.56-9,650.19

Finding the Fourth Proportional to 15,610.35, 21,553.56 and 9,650.19

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Solution

The fourth proportional to 15,610.35, 21,553.56 and 9,650.19 is: 13,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.35 : 21,553.56 = 9,650.19 : x
  2. Step 2: Convert to fraction form
    15,610.35/21,553.56 = 9,650.19/x
  3. Step 3: Cross multiply
    15,610.35x = 21,553.56 × 9,650.19
  4. Step 4: Simplify right side
    15,610.35x = 207,995,949.18
  5. Step 5: Solve for x
    x = 207,995,949.18/15,610.35
  6. Step 6: Final answer
    x = 13,324.23

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Half scale
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Double scale
Find fourth proportional to 15,611.35, 21,554.94 and 9,651.19
Similar ratio
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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.