Home / 15,684.44-21,644.26-8,610.82

Finding the Fourth Proportional to 15,684.44, 21,644.26 and 8,610.82

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Solution

The fourth proportional to 15,684.44, 21,644.26 and 8,610.82 is: 11,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684.44 : 21,644.26 = 8,610.82 : x
  2. Step 2: Convert to fraction form
    15,684.44/21,644.26 = 8,610.82/x
  3. Step 3: Cross multiply
    15,684.44x = 21,644.26 × 8,610.82
  4. Step 4: Simplify right side
    15,684.44x = 186,374,740.20
  5. Step 5: Solve for x
    x = 186,374,740.20/15,684.44
  6. Step 6: Final answer
    x = 11,882.78

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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.