Home / 11,317.25-15,620.97-6,841.26

Finding the Fourth Proportional to 11,317.25, 15,620.97 and 6,841.26

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Solution

The fourth proportional to 11,317.25, 15,620.97 and 6,841.26 is: 9,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.25 : 15,620.97 = 6,841.26 : x
  2. Step 2: Convert to fraction form
    11,317.25/15,620.97 = 6,841.26/x
  3. Step 3: Cross multiply
    11,317.25x = 15,620.97 × 6,841.26
  4. Step 4: Simplify right side
    11,317.25x = 106,867,117.22
  5. Step 5: Solve for x
    x = 106,867,117.22/11,317.25
  6. Step 6: Final answer
    x = 9,442.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.