Home / 14,239.09-21,359.72-3,850.75

Finding the Fourth Proportional to 14,239.09, 21,359.72 and 3,850.75

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Solution

The fourth proportional to 14,239.09, 21,359.72 and 3,850.75 is: 5,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.09 : 21,359.72 = 3,850.75 : x
  2. Step 2: Convert to fraction form
    14,239.09/21,359.72 = 3,850.75/x
  3. Step 3: Cross multiply
    14,239.09x = 21,359.72 × 3,850.75
  4. Step 4: Simplify right side
    14,239.09x = 82,250,941.79
  5. Step 5: Solve for x
    x = 82,250,941.79/14,239.09
  6. Step 6: Final answer
    x = 5,776.42

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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.