Home / 11,485.32-17,229.88-4,907.60

Finding the Fourth Proportional to 11,485.32, 17,229.88 and 4,907.60

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Solution

The fourth proportional to 11,485.32, 17,229.88 and 4,907.60 is: 7,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.32 : 17,229.88 = 4,907.60 : x
  2. Step 2: Convert to fraction form
    11,485.32/17,229.88 = 4,907.60/x
  3. Step 3: Cross multiply
    11,485.32x = 17,229.88 × 4,907.60
  4. Step 4: Simplify right side
    11,485.32x = 84,557,359.09
  5. Step 5: Solve for x
    x = 84,557,359.09/11,485.32
  6. Step 6: Final answer
    x = 7,362.21

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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.