Home / 14,067.09-21,097.49-4,205.09

Finding the Fourth Proportional to 14,067.09, 21,097.49 and 4,205.09

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Solution

The fourth proportional to 14,067.09, 21,097.49 and 4,205.09 is: 6,306.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.09 : 21,097.49 = 4,205.09 : x
  2. Step 2: Convert to fraction form
    14,067.09/21,097.49 = 4,205.09/x
  3. Step 3: Cross multiply
    14,067.09x = 21,097.49 × 4,205.09
  4. Step 4: Simplify right side
    14,067.09x = 88,716,844.22
  5. Step 5: Solve for x
    x = 88,716,844.22/14,067.09
  6. Step 6: Final answer
    x = 6,306.69

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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.