Home / 13,646.06-20,466.80-3,786.33

Finding the Fourth Proportional to 13,646.06, 20,466.80 and 3,786.33

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Solution

The fourth proportional to 13,646.06, 20,466.80 and 3,786.33 is: 5,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.06 : 20,466.80 = 3,786.33 : x
  2. Step 2: Convert to fraction form
    13,646.06/20,466.80 = 3,786.33/x
  3. Step 3: Cross multiply
    13,646.06x = 20,466.80 × 3,786.33
  4. Step 4: Simplify right side
    13,646.06x = 77,494,039.91
  5. Step 5: Solve for x
    x = 77,494,039.91/13,646.06
  6. Step 6: Final answer
    x = 5,678.86

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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.