Home / 10,771.11-16,150.05-4,189.63

Finding the Fourth Proportional to 10,771.11, 16,150.05 and 4,189.63

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Solution

The fourth proportional to 10,771.11, 16,150.05 and 4,189.63 is: 6,281.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.11 : 16,150.05 = 4,189.63 : x
  2. Step 2: Convert to fraction form
    10,771.11/16,150.05 = 4,189.63/x
  3. Step 3: Cross multiply
    10,771.11x = 16,150.05 × 4,189.63
  4. Step 4: Simplify right side
    10,771.11x = 67,662,733.98
  5. Step 5: Solve for x
    x = 67,662,733.98/10,771.11
  6. Step 6: Final answer
    x = 6,281.87

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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.