Home / 11,050.70-16,578.81-5,205.94

Finding the Fourth Proportional to 11,050.70, 16,578.81 and 5,205.94

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Solution

The fourth proportional to 11,050.70, 16,578.81 and 5,205.94 is: 7,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,050.70 : 16,578.81 = 5,205.94 : x
  2. Step 2: Convert to fraction form
    11,050.70/16,578.81 = 5,205.94/x
  3. Step 3: Cross multiply
    11,050.70x = 16,578.81 × 5,205.94
  4. Step 4: Simplify right side
    11,050.70x = 86,308,248.68
  5. Step 5: Solve for x
    x = 86,308,248.68/11,050.70
  6. Step 6: Final answer
    x = 7,810.21

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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.