Home / 12,696.71-19,046.84-5,299.48

Finding the Fourth Proportional to 12,696.71, 19,046.84 and 5,299.48

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Solution

The fourth proportional to 12,696.71, 19,046.84 and 5,299.48 is: 7,949.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696.71 : 19,046.84 = 5,299.48 : x
  2. Step 2: Convert to fraction form
    12,696.71/19,046.84 = 5,299.48/x
  3. Step 3: Cross multiply
    12,696.71x = 19,046.84 × 5,299.48
  4. Step 4: Simplify right side
    12,696.71x = 100,938,313.27
  5. Step 5: Solve for x
    x = 100,938,313.27/12,696.71
  6. Step 6: Final answer
    x = 7,949.96

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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.