Home / 23,183.16-31,994.48-12,975.21

Finding the Fourth Proportional to 23,183.16, 31,994.48 and 12,975.21

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Solution

The fourth proportional to 23,183.16, 31,994.48 and 12,975.21 is: 17,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,183.16 : 31,994.48 = 12,975.21 : x
  2. Step 2: Convert to fraction form
    23,183.16/31,994.48 = 12,975.21/x
  3. Step 3: Cross multiply
    23,183.16x = 31,994.48 × 12,975.21
  4. Step 4: Simplify right side
    23,183.16x = 415,135,101.29
  5. Step 5: Solve for x
    x = 415,135,101.29/23,183.16
  6. Step 6: Final answer
    x = 17,906.75

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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.