Home / 11,683.74-17,515.19-4,286.47

Finding the Fourth Proportional to 11,683.74, 17,515.19 and 4,286.47

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Solution

The fourth proportional to 11,683.74, 17,515.19 and 4,286.47 is: 6,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.74 : 17,515.19 = 4,286.47 : x
  2. Step 2: Convert to fraction form
    11,683.74/17,515.19 = 4,286.47/x
  3. Step 3: Cross multiply
    11,683.74x = 17,515.19 × 4,286.47
  4. Step 4: Simplify right side
    11,683.74x = 75,078,336.48
  5. Step 5: Solve for x
    x = 75,078,336.48/11,683.74
  6. Step 6: Final answer
    x = 6,425.88

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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.