Home / 15,968.09-23,879.39-11,968.04

Finding the Fourth Proportional to 15,968.09, 23,879.39 and 11,968.04

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Solution

The fourth proportional to 15,968.09, 23,879.39 and 11,968.04 is: 17,897.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.09 : 23,879.39 = 11,968.04 : x
  2. Step 2: Convert to fraction form
    15,968.09/23,879.39 = 11,968.04/x
  3. Step 3: Cross multiply
    15,968.09x = 23,879.39 × 11,968.04
  4. Step 4: Simplify right side
    15,968.09x = 285,789,315.46
  5. Step 5: Solve for x
    x = 285,789,315.46/15,968.09
  6. Step 6: Final answer
    x = 17,897.53

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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.