Home / 19,379.34-26,738.55-11,825.18

Finding the Fourth Proportional to 19,379.34, 26,738.55 and 11,825.18

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Solution

The fourth proportional to 19,379.34, 26,738.55 and 11,825.18 is: 16,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.34 : 26,738.55 = 11,825.18 : x
  2. Step 2: Convert to fraction form
    19,379.34/26,738.55 = 11,825.18/x
  3. Step 3: Cross multiply
    19,379.34x = 26,738.55 × 11,825.18
  4. Step 4: Simplify right side
    19,379.34x = 316,188,033.00
  5. Step 5: Solve for x
    x = 316,188,033.00/19,379.34
  6. Step 6: Final answer
    x = 16,315.73

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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.