Home / 11,028.64-16,546.80-9,277.60

Finding the Fourth Proportional to 11,028.64, 16,546.80 and 9,277.60

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Solution

The fourth proportional to 11,028.64, 16,546.80 and 9,277.60 is: 13,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.64 : 16,546.80 = 9,277.60 : x
  2. Step 2: Convert to fraction form
    11,028.64/16,546.80 = 9,277.60/x
  3. Step 3: Cross multiply
    11,028.64x = 16,546.80 × 9,277.60
  4. Step 4: Simplify right side
    11,028.64x = 153,514,591.68
  5. Step 5: Solve for x
    x = 153,514,591.68/11,028.64
  6. Step 6: Final answer
    x = 13,919.63

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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.