Home / 11,479.86-17,220.47-3,583.51

Finding the Fourth Proportional to 11,479.86, 17,220.47 and 3,583.51

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Solution

The fourth proportional to 11,479.86, 17,220.47 and 3,583.51 is: 5,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.86 : 17,220.47 = 3,583.51 : x
  2. Step 2: Convert to fraction form
    11,479.86/17,220.47 = 3,583.51/x
  3. Step 3: Cross multiply
    11,479.86x = 17,220.47 × 3,583.51
  4. Step 4: Simplify right side
    11,479.86x = 61,709,665.48
  5. Step 5: Solve for x
    x = 61,709,665.48/11,479.86
  6. Step 6: Final answer
    x = 5,375.47

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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.