Home / 11,357.81-17,042.89-4,783.85

Finding the Fourth Proportional to 11,357.81, 17,042.89 and 4,783.85

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Solution

The fourth proportional to 11,357.81, 17,042.89 and 4,783.85 is: 7,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.81 : 17,042.89 = 4,783.85 : x
  2. Step 2: Convert to fraction form
    11,357.81/17,042.89 = 4,783.85/x
  3. Step 3: Cross multiply
    11,357.81x = 17,042.89 × 4,783.85
  4. Step 4: Simplify right side
    11,357.81x = 81,530,629.33
  5. Step 5: Solve for x
    x = 81,530,629.33/11,357.81
  6. Step 6: Final answer
    x = 7,178.38

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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.