Home / 11,419.14-17,138.43-4,498.50

Finding the Fourth Proportional to 11,419.14, 17,138.43 and 4,498.50

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Solution

The fourth proportional to 11,419.14, 17,138.43 and 4,498.50 is: 6,751.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.14 : 17,138.43 = 4,498.50 : x
  2. Step 2: Convert to fraction form
    11,419.14/17,138.43 = 4,498.50/x
  3. Step 3: Cross multiply
    11,419.14x = 17,138.43 × 4,498.50
  4. Step 4: Simplify right side
    11,419.14x = 77,097,227.36
  5. Step 5: Solve for x
    x = 77,097,227.36/11,419.14
  6. Step 6: Final answer
    x = 6,751.58

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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.