Home / 11,220.56-16,833.32-3,429.98

Finding the Fourth Proportional to 11,220.56, 16,833.32 and 3,429.98

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Solution

The fourth proportional to 11,220.56, 16,833.32 and 3,429.98 is: 5,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.56 : 16,833.32 = 3,429.98 : x
  2. Step 2: Convert to fraction form
    11,220.56/16,833.32 = 3,429.98/x
  3. Step 3: Cross multiply
    11,220.56x = 16,833.32 × 3,429.98
  4. Step 4: Simplify right side
    11,220.56x = 57,737,950.93
  5. Step 5: Solve for x
    x = 57,737,950.93/11,220.56
  6. Step 6: Final answer
    x = 5,145.73

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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.