Home / 16,934.45-23,369.73-9,380.90

Finding the Fourth Proportional to 16,934.45, 23,369.73 and 9,380.90

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Solution

The fourth proportional to 16,934.45, 23,369.73 and 9,380.90 is: 12,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,934.45 : 23,369.73 = 9,380.90 : x
  2. Step 2: Convert to fraction form
    16,934.45/23,369.73 = 9,380.90/x
  3. Step 3: Cross multiply
    16,934.45x = 23,369.73 × 9,380.90
  4. Step 4: Simplify right side
    16,934.45x = 219,229,100.16
  5. Step 5: Solve for x
    x = 219,229,100.16/16,934.45
  6. Step 6: Final answer
    x = 12,945.75

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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.