Home / 14,115.11-19,479.69-8,067.24

Finding the Fourth Proportional to 14,115.11, 19,479.69 and 8,067.24

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Solution

The fourth proportional to 14,115.11, 19,479.69 and 8,067.24 is: 11,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.11 : 19,479.69 = 8,067.24 : x
  2. Step 2: Convert to fraction form
    14,115.11/19,479.69 = 8,067.24/x
  3. Step 3: Cross multiply
    14,115.11x = 19,479.69 × 8,067.24
  4. Step 4: Simplify right side
    14,115.11x = 157,147,334.36
  5. Step 5: Solve for x
    x = 157,147,334.36/14,115.11
  6. Step 6: Final answer
    x = 11,133.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.