Home / 11,240.87-16,864.65-3,343.64

Finding the Fourth Proportional to 11,240.87, 16,864.65 and 3,343.64

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Solution

The fourth proportional to 11,240.87, 16,864.65 and 3,343.64 is: 5,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.87 : 16,864.65 = 3,343.64 : x
  2. Step 2: Convert to fraction form
    11,240.87/16,864.65 = 3,343.64/x
  3. Step 3: Cross multiply
    11,240.87x = 16,864.65 × 3,343.64
  4. Step 4: Simplify right side
    11,240.87x = 56,389,234.00
  5. Step 5: Solve for x
    x = 56,389,234.00/11,240.87
  6. Step 6: Final answer
    x = 5,016.45

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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.