Home / 11,205.09-16,807.73-2,885.18

Finding the Fourth Proportional to 11,205.09, 16,807.73 and 2,885.18

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Solution

The fourth proportional to 11,205.09, 16,807.73 and 2,885.18 is: 4,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.09 : 16,807.73 = 2,885.18 : x
  2. Step 2: Convert to fraction form
    11,205.09/16,807.73 = 2,885.18/x
  3. Step 3: Cross multiply
    11,205.09x = 16,807.73 × 2,885.18
  4. Step 4: Simplify right side
    11,205.09x = 48,493,227.98
  5. Step 5: Solve for x
    x = 48,493,227.98/11,205.09
  6. Step 6: Final answer
    x = 4,327.79

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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.