Home / 14,086.26-21,115.38-7,849.11

Finding the Fourth Proportional to 14,086.26, 21,115.38 and 7,849.11

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Solution

The fourth proportional to 14,086.26, 21,115.38 and 7,849.11 is: 11,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.26 : 21,115.38 = 7,849.11 : x
  2. Step 2: Convert to fraction form
    14,086.26/21,115.38 = 7,849.11/x
  3. Step 3: Cross multiply
    14,086.26x = 21,115.38 × 7,849.11
  4. Step 4: Simplify right side
    14,086.26x = 165,736,940.31
  5. Step 5: Solve for x
    x = 165,736,940.31/14,086.26
  6. Step 6: Final answer
    x = 11,765.86

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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.