Home / 11,869.62-16,379.28-6,832.68

Finding the Fourth Proportional to 11,869.62, 16,379.28 and 6,832.68

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Solution

The fourth proportional to 11,869.62, 16,379.28 and 6,832.68 is: 9,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.62 : 16,379.28 = 6,832.68 : x
  2. Step 2: Convert to fraction form
    11,869.62/16,379.28 = 6,832.68/x
  3. Step 3: Cross multiply
    11,869.62x = 16,379.28 × 6,832.68
  4. Step 4: Simplify right side
    11,869.62x = 111,914,378.87
  5. Step 5: Solve for x
    x = 111,914,378.87/11,869.62
  6. Step 6: Final answer
    x = 9,428.64

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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.