Home / 10,855.81-16,284.34-4,192.34

Finding the Fourth Proportional to 10,855.81, 16,284.34 and 4,192.34

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Solution

The fourth proportional to 10,855.81, 16,284.34 and 4,192.34 is: 6,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.81 : 16,284.34 = 4,192.34 : x
  2. Step 2: Convert to fraction form
    10,855.81/16,284.34 = 4,192.34/x
  3. Step 3: Cross multiply
    10,855.81x = 16,284.34 × 4,192.34
  4. Step 4: Simplify right side
    10,855.81x = 68,269,489.96
  5. Step 5: Solve for x
    x = 68,269,489.96/10,855.81
  6. Step 6: Final answer
    x = 6,288.75

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1.5x scale

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.