Home / 10,223.25-15,334.85-3,203.80

Finding the Fourth Proportional to 10,223.25, 15,334.85 and 3,203.80

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Solution

The fourth proportional to 10,223.25, 15,334.85 and 3,203.80 is: 4,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.25 : 15,334.85 = 3,203.80 : x
  2. Step 2: Convert to fraction form
    10,223.25/15,334.85 = 3,203.80/x
  3. Step 3: Cross multiply
    10,223.25x = 15,334.85 × 3,203.80
  4. Step 4: Simplify right side
    10,223.25x = 49,129,792.43
  5. Step 5: Solve for x
    x = 49,129,792.43/10,223.25
  6. Step 6: Final answer
    x = 4,805.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.