Home / 11,788.93-17,679.61-3,889.67

Finding the Fourth Proportional to 11,788.93, 17,679.61 and 3,889.67

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Solution

The fourth proportional to 11,788.93, 17,679.61 and 3,889.67 is: 5,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.93 : 17,679.61 = 3,889.67 : x
  2. Step 2: Convert to fraction form
    11,788.93/17,679.61 = 3,889.67/x
  3. Step 3: Cross multiply
    11,788.93x = 17,679.61 × 3,889.67
  4. Step 4: Simplify right side
    11,788.93x = 68,767,848.63
  5. Step 5: Solve for x
    x = 68,767,848.63/11,788.93
  6. Step 6: Final answer
    x = 5,833.26

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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.