Home / 11,823.88-16,318.58-6,789.64

Finding the Fourth Proportional to 11,823.88, 16,318.58 and 6,789.64

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Solution

The fourth proportional to 11,823.88, 16,318.58 and 6,789.64 is: 9,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.88 : 16,318.58 = 6,789.64 : x
  2. Step 2: Convert to fraction form
    11,823.88/16,318.58 = 6,789.64/x
  3. Step 3: Cross multiply
    11,823.88x = 16,318.58 × 6,789.64
  4. Step 4: Simplify right side
    11,823.88x = 110,797,283.51
  5. Step 5: Solve for x
    x = 110,797,283.51/11,823.88
  6. Step 6: Final answer
    x = 9,370.64

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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.