Home / 12,696.57-19,046.63-5,299.34

Finding the Fourth Proportional to 12,696.57, 19,046.63 and 5,299.34

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Solution

The fourth proportional to 12,696.57, 19,046.63 and 5,299.34 is: 7,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696.57 : 19,046.63 = 5,299.34 : x
  2. Step 2: Convert to fraction form
    12,696.57/19,046.63 = 5,299.34/x
  3. Step 3: Cross multiply
    12,696.57x = 19,046.63 × 5,299.34
  4. Step 4: Simplify right side
    12,696.57x = 100,934,486.24
  5. Step 5: Solve for x
    x = 100,934,486.24/12,696.57
  6. Step 6: Final answer
    x = 7,949.74

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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.