Home / 10,777.07-16,166.21-3,381.36

Finding the Fourth Proportional to 10,777.07, 16,166.21 and 3,381.36

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Solution

The fourth proportional to 10,777.07, 16,166.21 and 3,381.36 is: 5,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.07 : 16,166.21 = 3,381.36 : x
  2. Step 2: Convert to fraction form
    10,777.07/16,166.21 = 3,381.36/x
  3. Step 3: Cross multiply
    10,777.07x = 16,166.21 × 3,381.36
  4. Step 4: Simplify right side
    10,777.07x = 54,663,758.94
  5. Step 5: Solve for x
    x = 54,663,758.94/10,777.07
  6. Step 6: Final answer
    x = 5,072.23

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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.