Home / 19,121.58-26,373.74-11,163.33

Finding the Fourth Proportional to 19,121.58, 26,373.74 and 11,163.33

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Solution

The fourth proportional to 19,121.58, 26,373.74 and 11,163.33 is: 15,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.58 : 26,373.74 = 11,163.33 : x
  2. Step 2: Convert to fraction form
    19,121.58/26,373.74 = 11,163.33/x
  3. Step 3: Cross multiply
    19,121.58x = 26,373.74 × 11,163.33
  4. Step 4: Simplify right side
    19,121.58x = 294,418,707.14
  5. Step 5: Solve for x
    x = 294,418,707.14/19,121.58
  6. Step 6: Final answer
    x = 15,397.20

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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.