Home / 13,664.27-18,856.75-7,696.04

Finding the Fourth Proportional to 13,664.27, 18,856.75 and 7,696.04

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Solution

The fourth proportional to 13,664.27, 18,856.75 and 7,696.04 is: 10,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.27 : 18,856.75 = 7,696.04 : x
  2. Step 2: Convert to fraction form
    13,664.27/18,856.75 = 7,696.04/x
  3. Step 3: Cross multiply
    13,664.27x = 18,856.75 × 7,696.04
  4. Step 4: Simplify right side
    13,664.27x = 145,122,207.99
  5. Step 5: Solve for x
    x = 145,122,207.99/13,664.27
  6. Step 6: Final answer
    x = 10,620.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.