Home / 14,243.58-21,365.30-3,855.33

Finding the Fourth Proportional to 14,243.58, 21,365.30 and 3,855.33

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Solution

The fourth proportional to 14,243.58, 21,365.30 and 3,855.33 is: 5,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.58 : 21,365.30 = 3,855.33 : x
  2. Step 2: Convert to fraction form
    14,243.58/21,365.30 = 3,855.33/x
  3. Step 3: Cross multiply
    14,243.58x = 21,365.30 × 3,855.33
  4. Step 4: Simplify right side
    14,243.58x = 82,370,291.69
  5. Step 5: Solve for x
    x = 82,370,291.69/14,243.58
  6. Step 6: Final answer
    x = 5,782.98

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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.