Home / 12,243.41-16,895.86-6,939.23

Finding the Fourth Proportional to 12,243.41, 16,895.86 and 6,939.23

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Solution

The fourth proportional to 12,243.41, 16,895.86 and 6,939.23 is: 9,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.41 : 16,895.86 = 6,939.23 : x
  2. Step 2: Convert to fraction form
    12,243.41/16,895.86 = 6,939.23/x
  3. Step 3: Cross multiply
    12,243.41x = 16,895.86 × 6,939.23
  4. Step 4: Simplify right side
    12,243.41x = 117,244,258.59
  5. Step 5: Solve for x
    x = 117,244,258.59/12,243.41
  6. Step 6: Final answer
    x = 9,576.11

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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.