Home / 11,331.82-16,980.41-4,754.42

Finding the Fourth Proportional to 11,331.82, 16,980.41 and 4,754.42

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Solution

The fourth proportional to 11,331.82, 16,980.41 and 4,754.42 is: 7,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.82 : 16,980.41 = 4,754.42 : x
  2. Step 2: Convert to fraction form
    11,331.82/16,980.41 = 4,754.42/x
  3. Step 3: Cross multiply
    11,331.82x = 16,980.41 × 4,754.42
  4. Step 4: Simplify right side
    11,331.82x = 80,731,916.01
  5. Step 5: Solve for x
    x = 80,731,916.01/11,331.82
  6. Step 6: Final answer
    x = 7,124.36

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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.