Home / 11,080.71-16,621.21-3,685.17

Finding the Fourth Proportional to 11,080.71, 16,621.21 and 3,685.17

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Solution

The fourth proportional to 11,080.71, 16,621.21 and 3,685.17 is: 5,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.71 : 16,621.21 = 3,685.17 : x
  2. Step 2: Convert to fraction form
    11,080.71/16,621.21 = 3,685.17/x
  3. Step 3: Cross multiply
    11,080.71x = 16,621.21 × 3,685.17
  4. Step 4: Simplify right side
    11,080.71x = 61,251,882.92
  5. Step 5: Solve for x
    x = 61,251,882.92/11,080.71
  6. Step 6: Final answer
    x = 5,527.80

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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.