Home / 11,157.68-16,718.84-9,067.60

Finding the Fourth Proportional to 11,157.68, 16,718.84 and 9,067.60

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Solution

The fourth proportional to 11,157.68, 16,718.84 and 9,067.60 is: 13,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.68 : 16,718.84 = 9,067.60 : x
  2. Step 2: Convert to fraction form
    11,157.68/16,718.84 = 9,067.60/x
  3. Step 3: Cross multiply
    11,157.68x = 16,718.84 × 9,067.60
  4. Step 4: Simplify right side
    11,157.68x = 151,599,753.58
  5. Step 5: Solve for x
    x = 151,599,753.58/11,157.68
  6. Step 6: Final answer
    x = 13,587.03

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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.