Home / 11,561.24-15,936-8,197.04

Finding the Fourth Proportional to 11,561.24, 15,936 and 8,197.04

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Solution

The fourth proportional to 11,561.24, 15,936 and 8,197.04 is: 11,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.24 : 15,936 = 8,197.04 : x
  2. Step 2: Convert to fraction form
    11,561.24/15,936 = 8,197.04/x
  3. Step 3: Cross multiply
    11,561.24x = 15,936 × 8,197.04
  4. Step 4: Simplify right side
    11,561.24x = 130,628,029.44
  5. Step 5: Solve for x
    x = 130,628,029.44/11,561.24
  6. Step 6: Final answer
    x = 11,298.79

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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.