Home / 14,238.67-21,357.96-3,850.42

Finding the Fourth Proportional to 14,238.67, 21,357.96 and 3,850.42

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Solution

The fourth proportional to 14,238.67, 21,357.96 and 3,850.42 is: 5,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.67 : 21,357.96 = 3,850.42 : x
  2. Step 2: Convert to fraction form
    14,238.67/21,357.96 = 3,850.42/x
  3. Step 3: Cross multiply
    14,238.67x = 21,357.96 × 3,850.42
  4. Step 4: Simplify right side
    14,238.67x = 82,237,116.34
  5. Step 5: Solve for x
    x = 82,237,116.34/14,238.67
  6. Step 6: Final answer
    x = 5,775.62

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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.