Home / 11,185.81-16,777.67-3,790.34

Finding the Fourth Proportional to 11,185.81, 16,777.67 and 3,790.34

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Solution

The fourth proportional to 11,185.81, 16,777.67 and 3,790.34 is: 5,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.81 : 16,777.67 = 3,790.34 : x
  2. Step 2: Convert to fraction form
    11,185.81/16,777.67 = 3,790.34/x
  3. Step 3: Cross multiply
    11,185.81x = 16,777.67 × 3,790.34
  4. Step 4: Simplify right side
    11,185.81x = 63,592,999.30
  5. Step 5: Solve for x
    x = 63,592,999.30/11,185.81
  6. Step 6: Final answer
    x = 5,685.15

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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.