Home / 11,510.67-17,266.37-3,190.77

Finding the Fourth Proportional to 11,510.67, 17,266.37 and 3,190.77

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Solution

The fourth proportional to 11,510.67, 17,266.37 and 3,190.77 is: 4,786.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.67 : 17,266.37 = 3,190.77 : x
  2. Step 2: Convert to fraction form
    11,510.67/17,266.37 = 3,190.77/x
  3. Step 3: Cross multiply
    11,510.67x = 17,266.37 × 3,190.77
  4. Step 4: Simplify right side
    11,510.67x = 55,093,015.40
  5. Step 5: Solve for x
    x = 55,093,015.40/11,510.67
  6. Step 6: Final answer
    x = 4,786.26

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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.