Home / 11,825.29-16,318.89-6,789.84

Finding the Fourth Proportional to 11,825.29, 16,318.89 and 6,789.84

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Solution

The fourth proportional to 11,825.29, 16,318.89 and 6,789.84 is: 9,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.29 : 16,318.89 = 6,789.84 : x
  2. Step 2: Convert to fraction form
    11,825.29/16,318.89 = 6,789.84/x
  3. Step 3: Cross multiply
    11,825.29x = 16,318.89 × 6,789.84
  4. Step 4: Simplify right side
    11,825.29x = 110,802,652.08
  5. Step 5: Solve for x
    x = 110,802,652.08/11,825.29
  6. Step 6: Final answer
    x = 9,369.97

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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.