Home / 11,172.12-16,759.96-3,777

Finding the Fourth Proportional to 11,172.12, 16,759.96 and 3,777

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Solution

The fourth proportional to 11,172.12, 16,759.96 and 3,777 is: 5,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.12 : 16,759.96 = 3,777 : x
  2. Step 2: Convert to fraction form
    11,172.12/16,759.96 = 3,777/x
  3. Step 3: Cross multiply
    11,172.12x = 16,759.96 × 3,777
  4. Step 4: Simplify right side
    11,172.12x = 63,302,368.92
  5. Step 5: Solve for x
    x = 63,302,368.92/11,172.12
  6. Step 6: Final answer
    x = 5,666.10

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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.