Home / 10,697.36-16,048.78-4,121.78

Finding the Fourth Proportional to 10,697.36, 16,048.78 and 4,121.78

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Solution

The fourth proportional to 10,697.36, 16,048.78 and 4,121.78 is: 6,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697.36 : 16,048.78 = 4,121.78 : x
  2. Step 2: Convert to fraction form
    10,697.36/16,048.78 = 4,121.78/x
  3. Step 3: Cross multiply
    10,697.36x = 16,048.78 × 4,121.78
  4. Step 4: Simplify right side
    10,697.36x = 66,149,570.25
  5. Step 5: Solve for x
    x = 66,149,570.25/10,697.36
  6. Step 6: Final answer
    x = 6,183.73

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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.