Home / 11,570.49-17,355.83-2,805.48

Finding the Fourth Proportional to 11,570.49, 17,355.83 and 2,805.48

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Solution

The fourth proportional to 11,570.49, 17,355.83 and 2,805.48 is: 4,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,570.49 : 17,355.83 = 2,805.48 : x
  2. Step 2: Convert to fraction form
    11,570.49/17,355.83 = 2,805.48/x
  3. Step 3: Cross multiply
    11,570.49x = 17,355.83 × 2,805.48
  4. Step 4: Simplify right side
    11,570.49x = 48,691,419.92
  5. Step 5: Solve for x
    x = 48,691,419.92/11,570.49
  6. Step 6: Final answer
    x = 4,208.24

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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.