Home / 10,771.85-16,157.66-4,202.65

Finding the Fourth Proportional to 10,771.85, 16,157.66 and 4,202.65

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Solution

The fourth proportional to 10,771.85, 16,157.66 and 4,202.65 is: 6,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.85 : 16,157.66 = 4,202.65 : x
  2. Step 2: Convert to fraction form
    10,771.85/16,157.66 = 4,202.65/x
  3. Step 3: Cross multiply
    10,771.85x = 16,157.66 × 4,202.65
  4. Step 4: Simplify right side
    10,771.85x = 67,904,959.91
  5. Step 5: Solve for x
    x = 67,904,959.91/10,771.85
  6. Step 6: Final answer
    x = 6,303.93

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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.