Home / 11,119.69-16,679.57-4,096.66

Finding the Fourth Proportional to 11,119.69, 16,679.57 and 4,096.66

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Solution

The fourth proportional to 11,119.69, 16,679.57 and 4,096.66 is: 6,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.69 : 16,679.57 = 4,096.66 : x
  2. Step 2: Convert to fraction form
    11,119.69/16,679.57 = 4,096.66/x
  3. Step 3: Cross multiply
    11,119.69x = 16,679.57 × 4,096.66
  4. Step 4: Simplify right side
    11,119.69x = 68,330,589.74
  5. Step 5: Solve for x
    x = 68,330,589.74/11,119.69
  6. Step 6: Final answer
    x = 6,145.01

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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.