Home / 11,886.75-17,826.51-6,261.36

Finding the Fourth Proportional to 11,886.75, 17,826.51 and 6,261.36

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Solution

The fourth proportional to 11,886.75, 17,826.51 and 6,261.36 is: 9,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886.75 : 17,826.51 = 6,261.36 : x
  2. Step 2: Convert to fraction form
    11,886.75/17,826.51 = 6,261.36/x
  3. Step 3: Cross multiply
    11,886.75x = 17,826.51 × 6,261.36
  4. Step 4: Simplify right side
    11,886.75x = 111,618,196.65
  5. Step 5: Solve for x
    x = 111,618,196.65/11,886.75
  6. Step 6: Final answer
    x = 9,390.14

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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.