Home / 11,555.40-17,334.60-3,761.56

Finding the Fourth Proportional to 11,555.40, 17,334.60 and 3,761.56

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Solution

The fourth proportional to 11,555.40, 17,334.60 and 3,761.56 is: 5,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.40 : 17,334.60 = 3,761.56 : x
  2. Step 2: Convert to fraction form
    11,555.40/17,334.60 = 3,761.56/x
  3. Step 3: Cross multiply
    11,555.40x = 17,334.60 × 3,761.56
  4. Step 4: Simplify right side
    11,555.40x = 65,205,137.98
  5. Step 5: Solve for x
    x = 65,205,137.98/11,555.40
  6. Step 6: Final answer
    x = 5,642.83

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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.