Home / 12,210.64-18,286.09-11,027.37

Finding the Fourth Proportional to 12,210.64, 18,286.09 and 11,027.37

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Solution

The fourth proportional to 12,210.64, 18,286.09 and 11,027.37 is: 16,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.64 : 18,286.09 = 11,027.37 : x
  2. Step 2: Convert to fraction form
    12,210.64/18,286.09 = 11,027.37/x
  3. Step 3: Cross multiply
    12,210.64x = 18,286.09 × 11,027.37
  4. Step 4: Simplify right side
    12,210.64x = 201,647,480.28
  5. Step 5: Solve for x
    x = 201,647,480.28/12,210.64
  6. Step 6: Final answer
    x = 16,514.08

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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.