Home / 10,450.33-15,669.30-6,942.22

Finding the Fourth Proportional to 10,450.33, 15,669.30 and 6,942.22

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Solution

The fourth proportional to 10,450.33, 15,669.30 and 6,942.22 is: 10,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.33 : 15,669.30 = 6,942.22 : x
  2. Step 2: Convert to fraction form
    10,450.33/15,669.30 = 6,942.22/x
  3. Step 3: Cross multiply
    10,450.33x = 15,669.30 × 6,942.22
  4. Step 4: Simplify right side
    10,450.33x = 108,779,727.85
  5. Step 5: Solve for x
    x = 108,779,727.85/10,450.33
  6. Step 6: Final answer
    x = 10,409.21

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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.