Home / 11,818.09-17,734.03-4,427.74

Finding the Fourth Proportional to 11,818.09, 17,734.03 and 4,427.74

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Solution

The fourth proportional to 11,818.09, 17,734.03 and 4,427.74 is: 6,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.09 : 17,734.03 = 4,427.74 : x
  2. Step 2: Convert to fraction form
    11,818.09/17,734.03 = 4,427.74/x
  3. Step 3: Cross multiply
    11,818.09x = 17,734.03 × 4,427.74
  4. Step 4: Simplify right side
    11,818.09x = 78,521,673.99
  5. Step 5: Solve for x
    x = 78,521,673.99/11,818.09
  6. Step 6: Final answer
    x = 6,644.19

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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.