Home / 11,356.49-17,036.36-3,036.78

Finding the Fourth Proportional to 11,356.49, 17,036.36 and 3,036.78

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Solution

The fourth proportional to 11,356.49, 17,036.36 and 3,036.78 is: 4,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.49 : 17,036.36 = 3,036.78 : x
  2. Step 2: Convert to fraction form
    11,356.49/17,036.36 = 3,036.78/x
  3. Step 3: Cross multiply
    11,356.49x = 17,036.36 × 3,036.78
  4. Step 4: Simplify right side
    11,356.49x = 51,735,662.14
  5. Step 5: Solve for x
    x = 51,735,662.14/11,356.49
  6. Step 6: Final answer
    x = 4,555.61

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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.