Home / 11,830.56-17,749.92-5,261.36

Finding the Fourth Proportional to 11,830.56, 17,749.92 and 5,261.36

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Solution

The fourth proportional to 11,830.56, 17,749.92 and 5,261.36 is: 7,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.56 : 17,749.92 = 5,261.36 : x
  2. Step 2: Convert to fraction form
    11,830.56/17,749.92 = 5,261.36/x
  3. Step 3: Cross multiply
    11,830.56x = 17,749.92 × 5,261.36
  4. Step 4: Simplify right side
    11,830.56x = 93,388,719.09
  5. Step 5: Solve for x
    x = 93,388,719.09/11,830.56
  6. Step 6: Final answer
    x = 7,893.85

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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.