Home / 10,980.44-16,468.98-3,187.64

Finding the Fourth Proportional to 10,980.44, 16,468.98 and 3,187.64

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Solution

The fourth proportional to 10,980.44, 16,468.98 and 3,187.64 is: 4,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.44 : 16,468.98 = 3,187.64 : x
  2. Step 2: Convert to fraction form
    10,980.44/16,468.98 = 3,187.64/x
  3. Step 3: Cross multiply
    10,980.44x = 16,468.98 × 3,187.64
  4. Step 4: Simplify right side
    10,980.44x = 52,497,179.41
  5. Step 5: Solve for x
    x = 52,497,179.41/10,980.44
  6. Step 6: Final answer
    x = 4,780.97

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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.