Home / 11,761.38-17,640.99-3,970.26

Finding the Fourth Proportional to 11,761.38, 17,640.99 and 3,970.26

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Solution

The fourth proportional to 11,761.38, 17,640.99 and 3,970.26 is: 5,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.38 : 17,640.99 = 3,970.26 : x
  2. Step 2: Convert to fraction form
    11,761.38/17,640.99 = 3,970.26/x
  3. Step 3: Cross multiply
    11,761.38x = 17,640.99 × 3,970.26
  4. Step 4: Simplify right side
    11,761.38x = 70,039,316.96
  5. Step 5: Solve for x
    x = 70,039,316.96/11,761.38
  6. Step 6: Final answer
    x = 5,955.03

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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.