Home / 11,788.53-17,679.02-3,889.28

Finding the Fourth Proportional to 11,788.53, 17,679.02 and 3,889.28

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Solution

The fourth proportional to 11,788.53, 17,679.02 and 3,889.28 is: 5,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.53 : 17,679.02 = 3,889.28 : x
  2. Step 2: Convert to fraction form
    11,788.53/17,679.02 = 3,889.28/x
  3. Step 3: Cross multiply
    11,788.53x = 17,679.02 × 3,889.28
  4. Step 4: Simplify right side
    11,788.53x = 68,758,551.06
  5. Step 5: Solve for x
    x = 68,758,551.06/11,788.53
  6. Step 6: Final answer
    x = 5,832.67

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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.