Home / 20,810.16-31,176.36-16,183.44

Finding the Fourth Proportional to 20,810.16, 31,176.36 and 16,183.44

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Solution

The fourth proportional to 20,810.16, 31,176.36 and 16,183.44 is: 24,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,810.16 : 31,176.36 = 16,183.44 : x
  2. Step 2: Convert to fraction form
    20,810.16/31,176.36 = 16,183.44/x
  3. Step 3: Cross multiply
    20,810.16x = 31,176.36 × 16,183.44
  4. Step 4: Simplify right side
    20,810.16x = 504,540,751.48
  5. Step 5: Solve for x
    x = 504,540,751.48/20,810.16
  6. Step 6: Final answer
    x = 24,244.92

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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.