Home / 12,794.05-19,191.08-5,396.55

Finding the Fourth Proportional to 12,794.05, 19,191.08 and 5,396.55

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Solution

The fourth proportional to 12,794.05, 19,191.08 and 5,396.55 is: 8,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794.05 : 19,191.08 = 5,396.55 : x
  2. Step 2: Convert to fraction form
    12,794.05/19,191.08 = 5,396.55/x
  3. Step 3: Cross multiply
    12,794.05x = 19,191.08 × 5,396.55
  4. Step 4: Simplify right side
    12,794.05x = 103,565,499.84
  5. Step 5: Solve for x
    x = 103,565,499.84/12,794.05
  6. Step 6: Final answer
    x = 8,094.82

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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.