Home / 13,376.76-20,064.69-6,361.80

Finding the Fourth Proportional to 13,376.76, 20,064.69 and 6,361.80

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Solution

The fourth proportional to 13,376.76, 20,064.69 and 6,361.80 is: 9,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.76 : 20,064.69 = 6,361.80 : x
  2. Step 2: Convert to fraction form
    13,376.76/20,064.69 = 6,361.80/x
  3. Step 3: Cross multiply
    13,376.76x = 20,064.69 × 6,361.80
  4. Step 4: Simplify right side
    13,376.76x = 127,647,544.84
  5. Step 5: Solve for x
    x = 127,647,544.84/13,376.76
  6. Step 6: Final answer
    x = 9,542.49

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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.