Home / 12,726.30-19,069.97-5,326.73

Finding the Fourth Proportional to 12,726.30, 19,069.97 and 5,326.73

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Solution

The fourth proportional to 12,726.30, 19,069.97 and 5,326.73 is: 7,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.30 : 19,069.97 = 5,326.73 : x
  2. Step 2: Convert to fraction form
    12,726.30/19,069.97 = 5,326.73/x
  3. Step 3: Cross multiply
    12,726.30x = 19,069.97 × 5,326.73
  4. Step 4: Simplify right side
    12,726.30x = 101,580,622.31
  5. Step 5: Solve for x
    x = 101,580,622.31/12,726.30
  6. Step 6: Final answer
    x = 7,981.94

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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.