Home / 11,021.15-16,529.90-3,625.70

Finding the Fourth Proportional to 11,021.15, 16,529.90 and 3,625.70

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Solution

The fourth proportional to 11,021.15, 16,529.90 and 3,625.70 is: 5,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.15 : 16,529.90 = 3,625.70 : x
  2. Step 2: Convert to fraction form
    11,021.15/16,529.90 = 3,625.70/x
  3. Step 3: Cross multiply
    11,021.15x = 16,529.90 × 3,625.70
  4. Step 4: Simplify right side
    11,021.15x = 59,932,357.65
  5. Step 5: Solve for x
    x = 59,932,357.65/11,021.15
  6. Step 6: Final answer
    x = 5,437.94

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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.