Home / 11,826.56-17,736.48-3,507.20

Finding the Fourth Proportional to 11,826.56, 17,736.48 and 3,507.20

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Solution

The fourth proportional to 11,826.56, 17,736.48 and 3,507.20 is: 5,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.56 : 17,736.48 = 3,507.20 : x
  2. Step 2: Convert to fraction form
    11,826.56/17,736.48 = 3,507.20/x
  3. Step 3: Cross multiply
    11,826.56x = 17,736.48 × 3,507.20
  4. Step 4: Simplify right side
    11,826.56x = 62,205,382.66
  5. Step 5: Solve for x
    x = 62,205,382.66/11,826.56
  6. Step 6: Final answer
    x = 5,259.80

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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.