Home / 10,991.03-16,485.32-3,199.84

Finding the Fourth Proportional to 10,991.03, 16,485.32 and 3,199.84

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Solution

The fourth proportional to 10,991.03, 16,485.32 and 3,199.84 is: 4,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.03 : 16,485.32 = 3,199.84 : x
  2. Step 2: Convert to fraction form
    10,991.03/16,485.32 = 3,199.84/x
  3. Step 3: Cross multiply
    10,991.03x = 16,485.32 × 3,199.84
  4. Step 4: Simplify right side
    10,991.03x = 52,750,353.14
  5. Step 5: Solve for x
    x = 52,750,353.14/10,991.03
  6. Step 6: Final answer
    x = 4,799.40

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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.