Home / 15,610.34-21,553.55-9,650.18

Finding the Fourth Proportional to 15,610.34, 21,553.55 and 9,650.18

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Solution

The fourth proportional to 15,610.34, 21,553.55 and 9,650.18 is: 13,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.34 : 21,553.55 = 9,650.18 : x
  2. Step 2: Convert to fraction form
    15,610.34/21,553.55 = 9,650.18/x
  3. Step 3: Cross multiply
    15,610.34x = 21,553.55 × 9,650.18
  4. Step 4: Simplify right side
    15,610.34x = 207,995,481.12
  5. Step 5: Solve for x
    x = 207,995,481.12/15,610.34
  6. Step 6: Final answer
    x = 13,324.22

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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.