Home / 11,161.19-16,741.85-3,765.72

Finding the Fourth Proportional to 11,161.19, 16,741.85 and 3,765.72

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Solution

The fourth proportional to 11,161.19, 16,741.85 and 3,765.72 is: 5,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.19 : 16,741.85 = 3,765.72 : x
  2. Step 2: Convert to fraction form
    11,161.19/16,741.85 = 3,765.72/x
  3. Step 3: Cross multiply
    11,161.19x = 16,741.85 × 3,765.72
  4. Step 4: Simplify right side
    11,161.19x = 63,045,119.38
  5. Step 5: Solve for x
    x = 63,045,119.38/11,161.19
  6. Step 6: Final answer
    x = 5,648.60

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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.