Home / 9,208.24-13,815.60-5,311.60

Finding the Fourth Proportional to 9,208.24, 13,815.60 and 5,311.60

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Solution

The fourth proportional to 9,208.24, 13,815.60 and 5,311.60 is: 7,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.24 : 13,815.60 = 5,311.60 : x
  2. Step 2: Convert to fraction form
    9,208.24/13,815.60 = 5,311.60/x
  3. Step 3: Cross multiply
    9,208.24x = 13,815.60 × 5,311.60
  4. Step 4: Simplify right side
    9,208.24x = 73,382,940.96
  5. Step 5: Solve for x
    x = 73,382,940.96/9,208.24
  6. Step 6: Final answer
    x = 7,969.27

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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.