Home / 10,771.05-16,149.96-4,189.57

Finding the Fourth Proportional to 10,771.05, 16,149.96 and 4,189.57

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Solution

The fourth proportional to 10,771.05, 16,149.96 and 4,189.57 is: 6,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.05 : 16,149.96 = 4,189.57 : x
  2. Step 2: Convert to fraction form
    10,771.05/16,149.96 = 4,189.57/x
  3. Step 3: Cross multiply
    10,771.05x = 16,149.96 × 4,189.57
  4. Step 4: Simplify right side
    10,771.05x = 67,661,307.17
  5. Step 5: Solve for x
    x = 67,661,307.17/10,771.05
  6. Step 6: Final answer
    x = 6,281.77

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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.