Home / 10,999.58-16,499.39-2,679.59

Finding the Fourth Proportional to 10,999.58, 16,499.39 and 2,679.59

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Solution

The fourth proportional to 10,999.58, 16,499.39 and 2,679.59 is: 4,019.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.58 : 16,499.39 = 2,679.59 : x
  2. Step 2: Convert to fraction form
    10,999.58/16,499.39 = 2,679.59/x
  3. Step 3: Cross multiply
    10,999.58x = 16,499.39 × 2,679.59
  4. Step 4: Simplify right side
    10,999.58x = 44,211,628.30
  5. Step 5: Solve for x
    x = 44,211,628.30/10,999.58
  6. Step 6: Final answer
    x = 4,019.39

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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.