Home / 11,419.77-17,138.31-4,850.57

Finding the Fourth Proportional to 11,419.77, 17,138.31 and 4,850.57

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Solution

The fourth proportional to 11,419.77, 17,138.31 and 4,850.57 is: 7,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.77 : 17,138.31 = 4,850.57 : x
  2. Step 2: Convert to fraction form
    11,419.77/17,138.31 = 4,850.57/x
  3. Step 3: Cross multiply
    11,419.77x = 17,138.31 × 4,850.57
  4. Step 4: Simplify right side
    11,419.77x = 83,130,486.65
  5. Step 5: Solve for x
    x = 83,130,486.65/11,419.77
  6. Step 6: Final answer
    x = 7,279.52

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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.