Home / 12,197.27-16,831.80-6,891.97

Finding the Fourth Proportional to 12,197.27, 16,831.80 and 6,891.97

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Solution

The fourth proportional to 12,197.27, 16,831.80 and 6,891.97 is: 9,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.27 : 16,831.80 = 6,891.97 : x
  2. Step 2: Convert to fraction form
    12,197.27/16,831.80 = 6,891.97/x
  3. Step 3: Cross multiply
    12,197.27x = 16,831.80 × 6,891.97
  4. Step 4: Simplify right side
    12,197.27x = 116,004,281.69
  5. Step 5: Solve for x
    x = 116,004,281.69/12,197.27
  6. Step 6: Final answer
    x = 9,510.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.