Home / 17,926.82-26,860.32-12,653.18

Finding the Fourth Proportional to 17,926.82, 26,860.32 and 12,653.18

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Solution

The fourth proportional to 17,926.82, 26,860.32 and 12,653.18 is: 18,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,926.82 : 26,860.32 = 12,653.18 : x
  2. Step 2: Convert to fraction form
    17,926.82/26,860.32 = 12,653.18/x
  3. Step 3: Cross multiply
    17,926.82x = 26,860.32 × 12,653.18
  4. Step 4: Simplify right side
    17,926.82x = 339,868,329.52
  5. Step 5: Solve for x
    x = 339,868,329.52/17,926.82
  6. Step 6: Final answer
    x = 18,958.66

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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.