Home / 11,479.57-17,213.20-4,719.23

Finding the Fourth Proportional to 11,479.57, 17,213.20 and 4,719.23

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Solution

The fourth proportional to 11,479.57, 17,213.20 and 4,719.23 is: 7,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.57 : 17,213.20 = 4,719.23 : x
  2. Step 2: Convert to fraction form
    11,479.57/17,213.20 = 4,719.23/x
  3. Step 3: Cross multiply
    11,479.57x = 17,213.20 × 4,719.23
  4. Step 4: Simplify right side
    11,479.57x = 81,232,951.97
  5. Step 5: Solve for x
    x = 81,232,951.97/11,479.57
  6. Step 6: Final answer
    x = 7,076.31

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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.