Home / 11,340.49-17,010.86-3,945.19

Finding the Fourth Proportional to 11,340.49, 17,010.86 and 3,945.19

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Solution

The fourth proportional to 11,340.49, 17,010.86 and 3,945.19 is: 5,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.49 : 17,010.86 = 3,945.19 : x
  2. Step 2: Convert to fraction form
    11,340.49/17,010.86 = 3,945.19/x
  3. Step 3: Cross multiply
    11,340.49x = 17,010.86 × 3,945.19
  4. Step 4: Simplify right side
    11,340.49x = 67,111,074.76
  5. Step 5: Solve for x
    x = 67,111,074.76/11,340.49
  6. Step 6: Final answer
    x = 5,917.83

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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.