Home / 11,911.09-17,866.77-4,513.57

Finding the Fourth Proportional to 11,911.09, 17,866.77 and 4,513.57

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Solution

The fourth proportional to 11,911.09, 17,866.77 and 4,513.57 is: 6,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.09 : 17,866.77 = 4,513.57 : x
  2. Step 2: Convert to fraction form
    11,911.09/17,866.77 = 4,513.57/x
  3. Step 3: Cross multiply
    11,911.09x = 17,866.77 × 4,513.57
  4. Step 4: Simplify right side
    11,911.09x = 80,642,917.07
  5. Step 5: Solve for x
    x = 80,642,917.07/11,911.09
  6. Step 6: Final answer
    x = 6,770.41

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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.