Home / 12,121.71-16,726.67-6,743.27

Finding the Fourth Proportional to 12,121.71, 16,726.67 and 6,743.27

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Solution

The fourth proportional to 12,121.71, 16,726.67 and 6,743.27 is: 9,305.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121.71 : 16,726.67 = 6,743.27 : x
  2. Step 2: Convert to fraction form
    12,121.71/16,726.67 = 6,743.27/x
  3. Step 3: Cross multiply
    12,121.71x = 16,726.67 × 6,743.27
  4. Step 4: Simplify right side
    12,121.71x = 112,792,452.01
  5. Step 5: Solve for x
    x = 112,792,452.01/12,121.71
  6. Step 6: Final answer
    x = 9,305.00

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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.