Home / 11,619.27-16,034.90-6,839.46

Finding the Fourth Proportional to 11,619.27, 16,034.90 and 6,839.46

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Solution

The fourth proportional to 11,619.27, 16,034.90 and 6,839.46 is: 9,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.27 : 16,034.90 = 6,839.46 : x
  2. Step 2: Convert to fraction form
    11,619.27/16,034.90 = 6,839.46/x
  3. Step 3: Cross multiply
    11,619.27x = 16,034.90 × 6,839.46
  4. Step 4: Simplify right side
    11,619.27x = 109,670,022.96
  5. Step 5: Solve for x
    x = 109,670,022.96/11,619.27
  6. Step 6: Final answer
    x = 9,438.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.