Home / 16,874.64-23,286.90-9,321.45

Finding the Fourth Proportional to 16,874.64, 23,286.90 and 9,321.45

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Solution

The fourth proportional to 16,874.64, 23,286.90 and 9,321.45 is: 12,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.64 : 23,286.90 = 9,321.45 : x
  2. Step 2: Convert to fraction form
    16,874.64/23,286.90 = 9,321.45/x
  3. Step 3: Cross multiply
    16,874.64x = 23,286.90 × 9,321.45
  4. Step 4: Simplify right side
    16,874.64x = 217,067,674.01
  5. Step 5: Solve for x
    x = 217,067,674.01/16,874.64
  6. Step 6: Final answer
    x = 12,863.54

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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.