Home / 11,336.78-17,008.27-3,439.55

Finding the Fourth Proportional to 11,336.78, 17,008.27 and 3,439.55

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Solution

The fourth proportional to 11,336.78, 17,008.27 and 3,439.55 is: 5,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.78 : 17,008.27 = 3,439.55 : x
  2. Step 2: Convert to fraction form
    11,336.78/17,008.27 = 3,439.55/x
  3. Step 3: Cross multiply
    11,336.78x = 17,008.27 × 3,439.55
  4. Step 4: Simplify right side
    11,336.78x = 58,500,701.44
  5. Step 5: Solve for x
    x = 58,500,701.44/11,336.78
  6. Step 6: Final answer
    x = 5,160.26

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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.