Home / 10,976.77-16,466.76-3,579.41

Finding the Fourth Proportional to 10,976.77, 16,466.76 and 3,579.41

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Solution

The fourth proportional to 10,976.77, 16,466.76 and 3,579.41 is: 5,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.77 : 16,466.76 = 3,579.41 : x
  2. Step 2: Convert to fraction form
    10,976.77/16,466.76 = 3,579.41/x
  3. Step 3: Cross multiply
    10,976.77x = 16,466.76 × 3,579.41
  4. Step 4: Simplify right side
    10,976.77x = 58,941,326.58
  5. Step 5: Solve for x
    x = 58,941,326.58/10,976.77
  6. Step 6: Final answer
    x = 5,369.64

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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.