Home / 13,891.44-20,836.80-4,404.36

Finding the Fourth Proportional to 13,891.44, 20,836.80 and 4,404.36

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Solution

The fourth proportional to 13,891.44, 20,836.80 and 4,404.36 is: 6,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.44 : 20,836.80 = 4,404.36 : x
  2. Step 2: Convert to fraction form
    13,891.44/20,836.80 = 4,404.36/x
  3. Step 3: Cross multiply
    13,891.44x = 20,836.80 × 4,404.36
  4. Step 4: Simplify right side
    13,891.44x = 91,772,768.45
  5. Step 5: Solve for x
    x = 91,772,768.45/13,891.44
  6. Step 6: Final answer
    x = 6,606.43

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1.5x scale

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.