Home / 10,628.36-15,932.14-3,959.99

Finding the Fourth Proportional to 10,628.36, 15,932.14 and 3,959.99

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Solution

The fourth proportional to 10,628.36, 15,932.14 and 3,959.99 is: 5,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.36 : 15,932.14 = 3,959.99 : x
  2. Step 2: Convert to fraction form
    10,628.36/15,932.14 = 3,959.99/x
  3. Step 3: Cross multiply
    10,628.36x = 15,932.14 × 3,959.99
  4. Step 4: Simplify right side
    10,628.36x = 63,091,107.54
  5. Step 5: Solve for x
    x = 63,091,107.54/10,628.36
  6. Step 6: Final answer
    x = 5,936.11

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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.