Home / 13,943.58-20,896.38-7,694.28

Finding the Fourth Proportional to 13,943.58, 20,896.38 and 7,694.28

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Solution

The fourth proportional to 13,943.58, 20,896.38 and 7,694.28 is: 11,530.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.58 : 20,896.38 = 7,694.28 : x
  2. Step 2: Convert to fraction form
    13,943.58/20,896.38 = 7,694.28/x
  3. Step 3: Cross multiply
    13,943.58x = 20,896.38 × 7,694.28
  4. Step 4: Simplify right side
    13,943.58x = 160,782,598.71
  5. Step 5: Solve for x
    x = 160,782,598.71/13,943.58
  6. Step 6: Final answer
    x = 11,530.94

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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.