Home / 14,283.56-21,423.70-3,896.12

Finding the Fourth Proportional to 14,283.56, 21,423.70 and 3,896.12

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Solution

The fourth proportional to 14,283.56, 21,423.70 and 3,896.12 is: 5,843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.56 : 21,423.70 = 3,896.12 : x
  2. Step 2: Convert to fraction form
    14,283.56/21,423.70 = 3,896.12/x
  3. Step 3: Cross multiply
    14,283.56x = 21,423.70 × 3,896.12
  4. Step 4: Simplify right side
    14,283.56x = 83,469,306.04
  5. Step 5: Solve for x
    x = 83,469,306.04/14,283.56
  6. Step 6: Final answer
    x = 5,843.73

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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.