Home / 14,299.50-21,450.75-3,911.25

Finding the Fourth Proportional to 14,299.50, 21,450.75 and 3,911.25

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Solution

The fourth proportional to 14,299.50, 21,450.75 and 3,911.25 is: 5,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.50 : 21,450.75 = 3,911.25 : x
  2. Step 2: Convert to fraction form
    14,299.50/21,450.75 = 3,911.25/x
  3. Step 3: Cross multiply
    14,299.50x = 21,450.75 × 3,911.25
  4. Step 4: Simplify right side
    14,299.50x = 83,899,245.94
  5. Step 5: Solve for x
    x = 83,899,245.94/14,299.50
  6. Step 6: Final answer
    x = 5,867.29

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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.