Home / 19,067.98-26,284.64-13,386.79

Finding the Fourth Proportional to 19,067.98, 26,284.64 and 13,386.79

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Solution

The fourth proportional to 19,067.98, 26,284.64 and 13,386.79 is: 18,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.98 : 26,284.64 = 13,386.79 : x
  2. Step 2: Convert to fraction form
    19,067.98/26,284.64 = 13,386.79/x
  3. Step 3: Cross multiply
    19,067.98x = 26,284.64 × 13,386.79
  4. Step 4: Simplify right side
    19,067.98x = 351,866,923.66
  5. Step 5: Solve for x
    x = 351,866,923.66/19,067.98
  6. Step 6: Final answer
    x = 18,453.29

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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.