Home / 12,554.55-18,831.93-3,194.58

Finding the Fourth Proportional to 12,554.55, 18,831.93 and 3,194.58

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Solution

The fourth proportional to 12,554.55, 18,831.93 and 3,194.58 is: 4,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.55 : 18,831.93 = 3,194.58 : x
  2. Step 2: Convert to fraction form
    12,554.55/18,831.93 = 3,194.58/x
  3. Step 3: Cross multiply
    12,554.55x = 18,831.93 × 3,194.58
  4. Step 4: Simplify right side
    12,554.55x = 60,160,106.94
  5. Step 5: Solve for x
    x = 60,160,106.94/12,554.55
  6. Step 6: Final answer
    x = 4,791.90

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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.