Home / 8,211.63-12,317.44-2,055.63

Finding the Fourth Proportional to 8,211.63, 12,317.44 and 2,055.63

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Solution

The fourth proportional to 8,211.63, 12,317.44 and 2,055.63 is: 3,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.63 : 12,317.44 = 2,055.63 : x
  2. Step 2: Convert to fraction form
    8,211.63/12,317.44 = 2,055.63/x
  3. Step 3: Cross multiply
    8,211.63x = 12,317.44 × 2,055.63
  4. Step 4: Simplify right side
    8,211.63x = 25,320,099.19
  5. Step 5: Solve for x
    x = 25,320,099.19/8,211.63
  6. Step 6: Final answer
    x = 3,083.44

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.