Home / 15,635.73-21,571.25-9,580.44

Finding the Fourth Proportional to 15,635.73, 21,571.25 and 9,580.44

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Solution

The fourth proportional to 15,635.73, 21,571.25 and 9,580.44 is: 13,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.73 : 21,571.25 = 9,580.44 : x
  2. Step 2: Convert to fraction form
    15,635.73/21,571.25 = 9,580.44/x
  3. Step 3: Cross multiply
    15,635.73x = 21,571.25 × 9,580.44
  4. Step 4: Simplify right side
    15,635.73x = 206,662,018.45
  5. Step 5: Solve for x
    x = 206,662,018.45/15,635.73
  6. Step 6: Final answer
    x = 13,217.29

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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.