Home / 14,084.38-21,147.33-7,856.56

Finding the Fourth Proportional to 14,084.38, 21,147.33 and 7,856.56

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Solution

The fourth proportional to 14,084.38, 21,147.33 and 7,856.56 is: 11,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.38 : 21,147.33 = 7,856.56 : x
  2. Step 2: Convert to fraction form
    14,084.38/21,147.33 = 7,856.56/x
  3. Step 3: Cross multiply
    14,084.38x = 21,147.33 × 7,856.56
  4. Step 4: Simplify right side
    14,084.38x = 166,145,266.98
  5. Step 5: Solve for x
    x = 166,145,266.98/14,084.38
  6. Step 6: Final answer
    x = 11,796.42

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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.