Home / 11,205.11-16,805.49-4,277.99

Finding the Fourth Proportional to 11,205.11, 16,805.49 and 4,277.99

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Solution

The fourth proportional to 11,205.11, 16,805.49 and 4,277.99 is: 6,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.11 : 16,805.49 = 4,277.99 : x
  2. Step 2: Convert to fraction form
    11,205.11/16,805.49 = 4,277.99/x
  3. Step 3: Cross multiply
    11,205.11x = 16,805.49 × 4,277.99
  4. Step 4: Simplify right side
    11,205.11x = 71,893,634.14
  5. Step 5: Solve for x
    x = 71,893,634.14/11,205.11
  6. Step 6: Final answer
    x = 6,416.15

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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.