Home / 10,855.82-16,282.88-4,282.08

Finding the Fourth Proportional to 10,855.82, 16,282.88 and 4,282.08

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Solution

The fourth proportional to 10,855.82, 16,282.88 and 4,282.08 is: 6,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.82 : 16,282.88 = 4,282.08 : x
  2. Step 2: Convert to fraction form
    10,855.82/16,282.88 = 4,282.08/x
  3. Step 3: Cross multiply
    10,855.82x = 16,282.88 × 4,282.08
  4. Step 4: Simplify right side
    10,855.82x = 69,724,594.79
  5. Step 5: Solve for x
    x = 69,724,594.79/10,855.82
  6. Step 6: Final answer
    x = 6,422.78

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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.