Home / 11,205.05-16,810.07-3,414.47

Finding the Fourth Proportional to 11,205.05, 16,810.07 and 3,414.47

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Solution

The fourth proportional to 11,205.05, 16,810.07 and 3,414.47 is: 5,122.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.05 : 16,810.07 = 3,414.47 : x
  2. Step 2: Convert to fraction form
    11,205.05/16,810.07 = 3,414.47/x
  3. Step 3: Cross multiply
    11,205.05x = 16,810.07 × 3,414.47
  4. Step 4: Simplify right side
    11,205.05x = 57,397,378.59
  5. Step 5: Solve for x
    x = 57,397,378.59/11,205.05
  6. Step 6: Final answer
    x = 5,122.46

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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.