Home / 11,201.69-16,790.82-4,178.88

Finding the Fourth Proportional to 11,201.69, 16,790.82 and 4,178.88

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Solution

The fourth proportional to 11,201.69, 16,790.82 and 4,178.88 is: 6,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.69 : 16,790.82 = 4,178.88 : x
  2. Step 2: Convert to fraction form
    11,201.69/16,790.82 = 4,178.88/x
  3. Step 3: Cross multiply
    11,201.69x = 16,790.82 × 4,178.88
  4. Step 4: Simplify right side
    11,201.69x = 70,166,806.21
  5. Step 5: Solve for x
    x = 70,166,806.21/11,201.69
  6. Step 6: Final answer
    x = 6,263.95

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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.