Home / 18,797.12-28,196.36-6,317.55

Finding the Fourth Proportional to 18,797.12, 28,196.36 and 6,317.55

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Solution

The fourth proportional to 18,797.12, 28,196.36 and 6,317.55 is: 9,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797.12 : 28,196.36 = 6,317.55 : x
  2. Step 2: Convert to fraction form
    18,797.12/28,196.36 = 6,317.55/x
  3. Step 3: Cross multiply
    18,797.12x = 28,196.36 × 6,317.55
  4. Step 4: Simplify right side
    18,797.12x = 178,131,906.22
  5. Step 5: Solve for x
    x = 178,131,906.22/18,797.12
  6. Step 6: Final answer
    x = 9,476.55

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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.