Home / 11,775.07-17,664.18-4,279.23

Finding the Fourth Proportional to 11,775.07, 17,664.18 and 4,279.23

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Solution

The fourth proportional to 11,775.07, 17,664.18 and 4,279.23 is: 6,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.07 : 17,664.18 = 4,279.23 : x
  2. Step 2: Convert to fraction form
    11,775.07/17,664.18 = 4,279.23/x
  3. Step 3: Cross multiply
    11,775.07x = 17,664.18 × 4,279.23
  4. Step 4: Simplify right side
    11,775.07x = 75,589,072.93
  5. Step 5: Solve for x
    x = 75,589,072.93/11,775.07
  6. Step 6: Final answer
    x = 6,419.42

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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.