Home / 12,551.39-18,827.22-3,786.38

Finding the Fourth Proportional to 12,551.39, 18,827.22 and 3,786.38

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Solution

The fourth proportional to 12,551.39, 18,827.22 and 3,786.38 is: 5,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.39 : 18,827.22 = 3,786.38 : x
  2. Step 2: Convert to fraction form
    12,551.39/18,827.22 = 3,786.38/x
  3. Step 3: Cross multiply
    12,551.39x = 18,827.22 × 3,786.38
  4. Step 4: Simplify right side
    12,551.39x = 71,287,009.26
  5. Step 5: Solve for x
    x = 71,287,009.26/12,551.39
  6. Step 6: Final answer
    x = 5,679.61

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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.