Home / 12,793.55-19,190.33-5,396.05

Finding the Fourth Proportional to 12,793.55, 19,190.33 and 5,396.05

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Solution

The fourth proportional to 12,793.55, 19,190.33 and 5,396.05 is: 8,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.55 : 19,190.33 = 5,396.05 : x
  2. Step 2: Convert to fraction form
    12,793.55/19,190.33 = 5,396.05/x
  3. Step 3: Cross multiply
    12,793.55x = 19,190.33 × 5,396.05
  4. Step 4: Simplify right side
    12,793.55x = 103,551,857.26
  5. Step 5: Solve for x
    x = 103,551,857.26/12,793.55
  6. Step 6: Final answer
    x = 8,094.07

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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.