Home / 11,229.99-16,849.86-4,309.35

Finding the Fourth Proportional to 11,229.99, 16,849.86 and 4,309.35

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Solution

The fourth proportional to 11,229.99, 16,849.86 and 4,309.35 is: 6,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.99 : 16,849.86 = 4,309.35 : x
  2. Step 2: Convert to fraction form
    11,229.99/16,849.86 = 4,309.35/x
  3. Step 3: Cross multiply
    11,229.99x = 16,849.86 × 4,309.35
  4. Step 4: Simplify right side
    11,229.99x = 72,611,944.19
  5. Step 5: Solve for x
    x = 72,611,944.19/11,229.99
  6. Step 6: Final answer
    x = 6,465.90

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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.