Home / 21,701.26-29,942.67-12,268.54

Finding the Fourth Proportional to 21,701.26, 29,942.67 and 12,268.54

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Solution

The fourth proportional to 21,701.26, 29,942.67 and 12,268.54 is: 16,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.26 : 29,942.67 = 12,268.54 : x
  2. Step 2: Convert to fraction form
    21,701.26/29,942.67 = 12,268.54/x
  3. Step 3: Cross multiply
    21,701.26x = 29,942.67 × 12,268.54
  4. Step 4: Simplify right side
    21,701.26x = 367,352,844.60
  5. Step 5: Solve for x
    x = 367,352,844.60/21,701.26
  6. Step 6: Final answer
    x = 16,927.72

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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.