Home / 11,826.36-17,759.70-11,331

Finding the Fourth Proportional to 11,826.36, 17,759.70 and 11,331

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Solution

The fourth proportional to 11,826.36, 17,759.70 and 11,331 is: 17,015.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.36 : 17,759.70 = 11,331 : x
  2. Step 2: Convert to fraction form
    11,826.36/17,759.70 = 11,331/x
  3. Step 3: Cross multiply
    11,826.36x = 17,759.70 × 11,331
  4. Step 4: Simplify right side
    11,826.36x = 201,235,160.70
  5. Step 5: Solve for x
    x = 201,235,160.70/11,826.36
  6. Step 6: Final answer
    x = 17,015.82

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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.