Home / 11,827.21-17,731.19-4,427.52

Finding the Fourth Proportional to 11,827.21, 17,731.19 and 4,427.52

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Solution

The fourth proportional to 11,827.21, 17,731.19 and 4,427.52 is: 6,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.21 : 17,731.19 = 4,427.52 : x
  2. Step 2: Convert to fraction form
    11,827.21/17,731.19 = 4,427.52/x
  3. Step 3: Cross multiply
    11,827.21x = 17,731.19 × 4,427.52
  4. Step 4: Simplify right side
    11,827.21x = 78,505,176.21
  5. Step 5: Solve for x
    x = 78,505,176.21/11,827.21
  6. Step 6: Final answer
    x = 6,637.68

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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.