Home / 11,767.56-17,653.50-3,870.54

Finding the Fourth Proportional to 11,767.56, 17,653.50 and 3,870.54

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Solution

The fourth proportional to 11,767.56, 17,653.50 and 3,870.54 is: 5,806.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.56 : 17,653.50 = 3,870.54 : x
  2. Step 2: Convert to fraction form
    11,767.56/17,653.50 = 3,870.54/x
  3. Step 3: Cross multiply
    11,767.56x = 17,653.50 × 3,870.54
  4. Step 4: Simplify right side
    11,767.56x = 68,328,577.89
  5. Step 5: Solve for x
    x = 68,328,577.89/11,767.56
  6. Step 6: Final answer
    x = 5,806.52

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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.