Home / 11,186.64-16,775.40-4,861.96

Finding the Fourth Proportional to 11,186.64, 16,775.40 and 4,861.96

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Solution

The fourth proportional to 11,186.64, 16,775.40 and 4,861.96 is: 7,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.64 : 16,775.40 = 4,861.96 : x
  2. Step 2: Convert to fraction form
    11,186.64/16,775.40 = 4,861.96/x
  3. Step 3: Cross multiply
    11,186.64x = 16,775.40 × 4,861.96
  4. Step 4: Simplify right side
    11,186.64x = 81,561,300.08
  5. Step 5: Solve for x
    x = 81,561,300.08/11,186.64
  6. Step 6: Final answer
    x = 7,290.96

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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.