Home / 10,875.44-16,313.94-3,378

Finding the Fourth Proportional to 10,875.44, 16,313.94 and 3,378

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Solution

The fourth proportional to 10,875.44, 16,313.94 and 3,378 is: 5,067.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.44 : 16,313.94 = 3,378 : x
  2. Step 2: Convert to fraction form
    10,875.44/16,313.94 = 3,378/x
  3. Step 3: Cross multiply
    10,875.44x = 16,313.94 × 3,378
  4. Step 4: Simplify right side
    10,875.44x = 55,108,489.32
  5. Step 5: Solve for x
    x = 55,108,489.32/10,875.44
  6. Step 6: Final answer
    x = 5,067.24

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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.