Home / 10,804.22-16,205.80-4,231.62

Finding the Fourth Proportional to 10,804.22, 16,205.80 and 4,231.62

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Solution

The fourth proportional to 10,804.22, 16,205.80 and 4,231.62 is: 6,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,804.22 : 16,205.80 = 4,231.62 : x
  2. Step 2: Convert to fraction form
    10,804.22/16,205.80 = 4,231.62/x
  3. Step 3: Cross multiply
    10,804.22x = 16,205.80 × 4,231.62
  4. Step 4: Simplify right side
    10,804.22x = 68,576,787.40
  5. Step 5: Solve for x
    x = 68,576,787.40/10,804.22
  6. Step 6: Final answer
    x = 6,347.22

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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.