Home / 11,800.05-17,696.01-4,778.31

Finding the Fourth Proportional to 11,800.05, 17,696.01 and 4,778.31

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Solution

The fourth proportional to 11,800.05, 17,696.01 and 4,778.31 is: 7,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.05 : 17,696.01 = 4,778.31 : x
  2. Step 2: Convert to fraction form
    11,800.05/17,696.01 = 4,778.31/x
  3. Step 3: Cross multiply
    11,800.05x = 17,696.01 × 4,778.31
  4. Step 4: Simplify right side
    11,800.05x = 84,557,021.54
  5. Step 5: Solve for x
    x = 84,557,021.54/11,800.05
  6. Step 6: Final answer
    x = 7,165.82

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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.