Home / 11,789.23-17,678.37-6,860.28

Finding the Fourth Proportional to 11,789.23, 17,678.37 and 6,860.28

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Solution

The fourth proportional to 11,789.23, 17,678.37 and 6,860.28 is: 10,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.23 : 17,678.37 = 6,860.28 : x
  2. Step 2: Convert to fraction form
    11,789.23/17,678.37 = 6,860.28/x
  3. Step 3: Cross multiply
    11,789.23x = 17,678.37 × 6,860.28
  4. Step 4: Simplify right side
    11,789.23x = 121,278,568.14
  5. Step 5: Solve for x
    x = 121,278,568.14/11,789.23
  6. Step 6: Final answer
    x = 10,287.24

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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.