Home / 10,865.36-16,297.68-3,470.28

Finding the Fourth Proportional to 10,865.36, 16,297.68 and 3,470.28

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Solution

The fourth proportional to 10,865.36, 16,297.68 and 3,470.28 is: 5,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.36 : 16,297.68 = 3,470.28 : x
  2. Step 2: Convert to fraction form
    10,865.36/16,297.68 = 3,470.28/x
  3. Step 3: Cross multiply
    10,865.36x = 16,297.68 × 3,470.28
  4. Step 4: Simplify right side
    10,865.36x = 56,557,512.95
  5. Step 5: Solve for x
    x = 56,557,512.95/10,865.36
  6. Step 6: Final answer
    x = 5,205.31

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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.