Home / 13,646.53-20,467.33-3,786.60

Finding the Fourth Proportional to 13,646.53, 20,467.33 and 3,786.60

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Solution

The fourth proportional to 13,646.53, 20,467.33 and 3,786.60 is: 5,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.53 : 20,467.33 = 3,786.60 : x
  2. Step 2: Convert to fraction form
    13,646.53/20,467.33 = 3,786.60/x
  3. Step 3: Cross multiply
    13,646.53x = 20,467.33 × 3,786.60
  4. Step 4: Simplify right side
    13,646.53x = 77,501,565.23
  5. Step 5: Solve for x
    x = 77,501,565.23/13,646.53
  6. Step 6: Final answer
    x = 5,679.22

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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.