Home / 11,198.75-15,454.29-6,230.75

Finding the Fourth Proportional to 11,198.75, 15,454.29 and 6,230.75

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Solution

The fourth proportional to 11,198.75, 15,454.29 and 6,230.75 is: 8,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.75 : 15,454.29 = 6,230.75 : x
  2. Step 2: Convert to fraction form
    11,198.75/15,454.29 = 6,230.75/x
  3. Step 3: Cross multiply
    11,198.75x = 15,454.29 × 6,230.75
  4. Step 4: Simplify right side
    11,198.75x = 96,291,817.42
  5. Step 5: Solve for x
    x = 96,291,817.42/11,198.75
  6. Step 6: Final answer
    x = 8,598.44

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Half scale
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Double scale
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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.