Home / 11,940.27-16,422.80-9,577.23

Finding the Fourth Proportional to 11,940.27, 16,422.80 and 9,577.23

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Solution

The fourth proportional to 11,940.27, 16,422.80 and 9,577.23 is: 13,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.27 : 16,422.80 = 9,577.23 : x
  2. Step 2: Convert to fraction form
    11,940.27/16,422.80 = 9,577.23/x
  3. Step 3: Cross multiply
    11,940.27x = 16,422.80 × 9,577.23
  4. Step 4: Simplify right side
    11,940.27x = 157,284,884.96
  5. Step 5: Solve for x
    x = 157,284,884.96/11,940.27
  6. Step 6: Final answer
    x = 13,172.64

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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.