Home / 11,161.99-16,742.45-4,143.37

Finding the Fourth Proportional to 11,161.99, 16,742.45 and 4,143.37

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Solution

The fourth proportional to 11,161.99, 16,742.45 and 4,143.37 is: 6,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.99 : 16,742.45 = 4,143.37 : x
  2. Step 2: Convert to fraction form
    11,161.99/16,742.45 = 4,143.37/x
  3. Step 3: Cross multiply
    11,161.99x = 16,742.45 × 4,143.37
  4. Step 4: Simplify right side
    11,161.99x = 69,370,144.34
  5. Step 5: Solve for x
    x = 69,370,144.34/11,161.99
  6. Step 6: Final answer
    x = 6,214.85

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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.