Home / 11,438.24-17,157.36-3,230.24

Finding the Fourth Proportional to 11,438.24, 17,157.36 and 3,230.24

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Solution

The fourth proportional to 11,438.24, 17,157.36 and 3,230.24 is: 4,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.24 : 17,157.36 = 3,230.24 : x
  2. Step 2: Convert to fraction form
    11,438.24/17,157.36 = 3,230.24/x
  3. Step 3: Cross multiply
    11,438.24x = 17,157.36 × 3,230.24
  4. Step 4: Simplify right side
    11,438.24x = 55,422,390.57
  5. Step 5: Solve for x
    x = 55,422,390.57/11,438.24
  6. Step 6: Final answer
    x = 4,845.36

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Similar ratio
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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.