Home / 19,080.21-26,343.67-11,912.92

Finding the Fourth Proportional to 19,080.21, 26,343.67 and 11,912.92

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Solution

The fourth proportional to 19,080.21, 26,343.67 and 11,912.92 is: 16,447.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.21 : 26,343.67 = 11,912.92 : x
  2. Step 2: Convert to fraction form
    19,080.21/26,343.67 = 11,912.92/x
  3. Step 3: Cross multiply
    19,080.21x = 26,343.67 × 11,912.92
  4. Step 4: Simplify right side
    19,080.21x = 313,830,063.00
  5. Step 5: Solve for x
    x = 313,830,063.00/19,080.21
  6. Step 6: Final answer
    x = 16,447.94

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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.