Home / 11,325.98-16,979.91-3,926.63

Finding the Fourth Proportional to 11,325.98, 16,979.91 and 3,926.63

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Solution

The fourth proportional to 11,325.98, 16,979.91 and 3,926.63 is: 5,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.98 : 16,979.91 = 3,926.63 : x
  2. Step 2: Convert to fraction form
    11,325.98/16,979.91 = 3,926.63/x
  3. Step 3: Cross multiply
    11,325.98x = 16,979.91 × 3,926.63
  4. Step 4: Simplify right side
    11,325.98x = 66,673,739.10
  5. Step 5: Solve for x
    x = 66,673,739.10/11,325.98
  6. Step 6: Final answer
    x = 5,886.80

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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.