Home / 19,109.25-26,367.73-12,404.07

Finding the Fourth Proportional to 19,109.25, 26,367.73 and 12,404.07

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Solution

The fourth proportional to 19,109.25, 26,367.73 and 12,404.07 is: 17,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.25 : 26,367.73 = 12,404.07 : x
  2. Step 2: Convert to fraction form
    19,109.25/26,367.73 = 12,404.07/x
  3. Step 3: Cross multiply
    19,109.25x = 26,367.73 × 12,404.07
  4. Step 4: Simplify right side
    19,109.25x = 327,067,137.65
  5. Step 5: Solve for x
    x = 327,067,137.65/19,109.25
  6. Step 6: Final answer
    x = 17,115.64

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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.