Home / 16,933.11-23,366.37-9,378.86

Finding the Fourth Proportional to 16,933.11, 23,366.37 and 9,378.86

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Solution

The fourth proportional to 16,933.11, 23,366.37 and 9,378.86 is: 12,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,933.11 : 23,366.37 = 9,378.86 : x
  2. Step 2: Convert to fraction form
    16,933.11/23,366.37 = 9,378.86/x
  3. Step 3: Cross multiply
    16,933.11x = 23,366.37 × 9,378.86
  4. Step 4: Simplify right side
    16,933.11x = 219,149,796.11
  5. Step 5: Solve for x
    x = 219,149,796.11/16,933.11
  6. Step 6: Final answer
    x = 12,942.09

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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.