Home / 11,761.23-17,649.16-7,327.60

Finding the Fourth Proportional to 11,761.23, 17,649.16 and 7,327.60

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Solution

The fourth proportional to 11,761.23, 17,649.16 and 7,327.60 is: 10,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.23 : 17,649.16 = 7,327.60 : x
  2. Step 2: Convert to fraction form
    11,761.23/17,649.16 = 7,327.60/x
  3. Step 3: Cross multiply
    11,761.23x = 17,649.16 × 7,327.60
  4. Step 4: Simplify right side
    11,761.23x = 129,325,984.82
  5. Step 5: Solve for x
    x = 129,325,984.82/11,761.23
  6. Step 6: Final answer
    x = 10,995.96

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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.