Home / 9,504.80-13,115.75-5,255.85

Finding the Fourth Proportional to 9,504.80, 13,115.75 and 5,255.85

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Solution

The fourth proportional to 9,504.80, 13,115.75 and 5,255.85 is: 7,252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,504.80 : 13,115.75 = 5,255.85 : x
  2. Step 2: Convert to fraction form
    9,504.80/13,115.75 = 5,255.85/x
  3. Step 3: Cross multiply
    9,504.80x = 13,115.75 × 5,255.85
  4. Step 4: Simplify right side
    9,504.80x = 68,934,414.64
  5. Step 5: Solve for x
    x = 68,934,414.64/9,504.80
  6. Step 6: Final answer
    x = 7,252.59

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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.