Home / 18,979.44-26,191.80-11,022

Finding the Fourth Proportional to 18,979.44, 26,191.80 and 11,022

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Solution

The fourth proportional to 18,979.44, 26,191.80 and 11,022 is: 15,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979.44 : 26,191.80 = 11,022 : x
  2. Step 2: Convert to fraction form
    18,979.44/26,191.80 = 11,022/x
  3. Step 3: Cross multiply
    18,979.44x = 26,191.80 × 11,022
  4. Step 4: Simplify right side
    18,979.44x = 288,686,019.60
  5. Step 5: Solve for x
    x = 288,686,019.60/18,979.44
  6. Step 6: Final answer
    x = 15,210.46

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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.