Home / 10,800.35-16,201.39-3,305.55

Finding the Fourth Proportional to 10,800.35, 16,201.39 and 3,305.55

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Solution

The fourth proportional to 10,800.35, 16,201.39 and 3,305.55 is: 4,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.35 : 16,201.39 = 3,305.55 : x
  2. Step 2: Convert to fraction form
    10,800.35/16,201.39 = 3,305.55/x
  3. Step 3: Cross multiply
    10,800.35x = 16,201.39 × 3,305.55
  4. Step 4: Simplify right side
    10,800.35x = 53,554,504.71
  5. Step 5: Solve for x
    x = 53,554,504.71/10,800.35
  6. Step 6: Final answer
    x = 4,958.59

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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.