Home / 11,619.57-17,429.37-2,854.49

Finding the Fourth Proportional to 11,619.57, 17,429.37 and 2,854.49

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Solution

The fourth proportional to 11,619.57, 17,429.37 and 2,854.49 is: 4,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.57 : 17,429.37 = 2,854.49 : x
  2. Step 2: Convert to fraction form
    11,619.57/17,429.37 = 2,854.49/x
  3. Step 3: Cross multiply
    11,619.57x = 17,429.37 × 2,854.49
  4. Step 4: Simplify right side
    11,619.57x = 49,751,875.22
  5. Step 5: Solve for x
    x = 49,751,875.22/11,619.57
  6. Step 6: Final answer
    x = 4,281.73

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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.