Home / 11,925.44-17,886.12-3,161.24

Finding the Fourth Proportional to 11,925.44, 17,886.12 and 3,161.24

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Solution

The fourth proportional to 11,925.44, 17,886.12 and 3,161.24 is: 4,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.44 : 17,886.12 = 3,161.24 : x
  2. Step 2: Convert to fraction form
    11,925.44/17,886.12 = 3,161.24/x
  3. Step 3: Cross multiply
    11,925.44x = 17,886.12 × 3,161.24
  4. Step 4: Simplify right side
    11,925.44x = 56,542,317.99
  5. Step 5: Solve for x
    x = 56,542,317.99/11,925.44
  6. Step 6: Final answer
    x = 4,741.32

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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.