Home / 11,147.11-16,722.84-4,127.18

Finding the Fourth Proportional to 11,147.11, 16,722.84 and 4,127.18

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Solution

The fourth proportional to 11,147.11, 16,722.84 and 4,127.18 is: 6,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.11 : 16,722.84 = 4,127.18 : x
  2. Step 2: Convert to fraction form
    11,147.11/16,722.84 = 4,127.18/x
  3. Step 3: Cross multiply
    11,147.11x = 16,722.84 × 4,127.18
  4. Step 4: Simplify right side
    11,147.11x = 69,018,087.18
  5. Step 5: Solve for x
    x = 69,018,087.18/11,147.11
  6. Step 6: Final answer
    x = 6,191.57

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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.