Home / 18,170.12-25,091.16-11,467.64

Finding the Fourth Proportional to 18,170.12, 25,091.16 and 11,467.64

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Solution

The fourth proportional to 18,170.12, 25,091.16 and 11,467.64 is: 15,835.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.12 : 25,091.16 = 11,467.64 : x
  2. Step 2: Convert to fraction form
    18,170.12/25,091.16 = 11,467.64/x
  3. Step 3: Cross multiply
    18,170.12x = 25,091.16 × 11,467.64
  4. Step 4: Simplify right side
    18,170.12x = 287,736,390.06
  5. Step 5: Solve for x
    x = 287,736,390.06/18,170.12
  6. Step 6: Final answer
    x = 15,835.69

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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.