Home / 11,510.26-17,265.34-3,190.25

Finding the Fourth Proportional to 11,510.26, 17,265.34 and 3,190.25

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Solution

The fourth proportional to 11,510.26, 17,265.34 and 3,190.25 is: 4,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.26 : 17,265.34 = 3,190.25 : x
  2. Step 2: Convert to fraction form
    11,510.26/17,265.34 = 3,190.25/x
  3. Step 3: Cross multiply
    11,510.26x = 17,265.34 × 3,190.25
  4. Step 4: Simplify right side
    11,510.26x = 55,080,734.98
  5. Step 5: Solve for x
    x = 55,080,734.98/11,510.26
  6. Step 6: Final answer
    x = 4,785.36

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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.