Home / 11,640.26-17,328.73-11,571.05

Finding the Fourth Proportional to 11,640.26, 17,328.73 and 11,571.05

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Solution

The fourth proportional to 11,640.26, 17,328.73 and 11,571.05 is: 17,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.26 : 17,328.73 = 11,571.05 : x
  2. Step 2: Convert to fraction form
    11,640.26/17,328.73 = 11,571.05/x
  3. Step 3: Cross multiply
    11,640.26x = 17,328.73 × 11,571.05
  4. Step 4: Simplify right side
    11,640.26x = 200,511,601.27
  5. Step 5: Solve for x
    x = 200,511,601.27/11,640.26
  6. Step 6: Final answer
    x = 17,225.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.