Home / 10,851.70-16,277.74-3,831.54

Finding the Fourth Proportional to 10,851.70, 16,277.74 and 3,831.54

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Solution

The fourth proportional to 10,851.70, 16,277.74 and 3,831.54 is: 5,747.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.70 : 16,277.74 = 3,831.54 : x
  2. Step 2: Convert to fraction form
    10,851.70/16,277.74 = 3,831.54/x
  3. Step 3: Cross multiply
    10,851.70x = 16,277.74 × 3,831.54
  4. Step 4: Simplify right side
    10,851.70x = 62,368,823.89
  5. Step 5: Solve for x
    x = 62,368,823.89/10,851.70
  6. Step 6: Final answer
    x = 5,747.38

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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.