Home / 11,289.33-16,940.12-4,716.09

Finding the Fourth Proportional to 11,289.33, 16,940.12 and 4,716.09

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Solution

The fourth proportional to 11,289.33, 16,940.12 and 4,716.09 is: 7,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.33 : 16,940.12 = 4,716.09 : x
  2. Step 2: Convert to fraction form
    11,289.33/16,940.12 = 4,716.09/x
  3. Step 3: Cross multiply
    11,289.33x = 16,940.12 × 4,716.09
  4. Step 4: Simplify right side
    11,289.33x = 79,891,106.95
  5. Step 5: Solve for x
    x = 79,891,106.95/11,289.33
  6. Step 6: Final answer
    x = 7,076.69

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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.