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Finding the Fourth Proportional to 13,794.25, 20,697.45 and 4,560.25

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Solution

The fourth proportional to 13,794.25, 20,697.45 and 4,560.25 is: 6,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.25 : 20,697.45 = 4,560.25 : x
  2. Step 2: Convert to fraction form
    13,794.25/20,697.45 = 4,560.25/x
  3. Step 3: Cross multiply
    13,794.25x = 20,697.45 × 4,560.25
  4. Step 4: Simplify right side
    13,794.25x = 94,385,546.36
  5. Step 5: Solve for x
    x = 94,385,546.36/13,794.25
  6. Step 6: Final answer
    x = 6,842.38

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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.