Home / 10,808.64-16,212.35-3,785.94

Finding the Fourth Proportional to 10,808.64, 16,212.35 and 3,785.94

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Solution

The fourth proportional to 10,808.64, 16,212.35 and 3,785.94 is: 5,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.64 : 16,212.35 = 3,785.94 : x
  2. Step 2: Convert to fraction form
    10,808.64/16,212.35 = 3,785.94/x
  3. Step 3: Cross multiply
    10,808.64x = 16,212.35 × 3,785.94
  4. Step 4: Simplify right side
    10,808.64x = 61,378,993.82
  5. Step 5: Solve for x
    x = 61,378,993.82/10,808.64
  6. Step 6: Final answer
    x = 5,678.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.