Home / 13,906.61-20,855.55-4,544.49

Finding the Fourth Proportional to 13,906.61, 20,855.55 and 4,544.49

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Solution

The fourth proportional to 13,906.61, 20,855.55 and 4,544.49 is: 6,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.61 : 20,855.55 = 4,544.49 : x
  2. Step 2: Convert to fraction form
    13,906.61/20,855.55 = 4,544.49/x
  3. Step 3: Cross multiply
    13,906.61x = 20,855.55 × 4,544.49
  4. Step 4: Simplify right side
    13,906.61x = 94,777,838.42
  5. Step 5: Solve for x
    x = 94,777,838.42/13,906.61
  6. Step 6: Final answer
    x = 6,815.31

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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.