Home / 19,067.62-26,297.72-13,421.06

Finding the Fourth Proportional to 19,067.62, 26,297.72 and 13,421.06

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Solution

The fourth proportional to 19,067.62, 26,297.72 and 13,421.06 is: 18,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.62 : 26,297.72 = 13,421.06 : x
  2. Step 2: Convert to fraction form
    19,067.62/26,297.72 = 13,421.06/x
  3. Step 3: Cross multiply
    19,067.62x = 26,297.72 × 13,421.06
  4. Step 4: Simplify right side
    19,067.62x = 352,943,277.98
  5. Step 5: Solve for x
    x = 352,943,277.98/19,067.62
  6. Step 6: Final answer
    x = 18,510.09

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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.