Home / 10,405.26-15,614.91-3,836.70

Finding the Fourth Proportional to 10,405.26, 15,614.91 and 3,836.70

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Solution

The fourth proportional to 10,405.26, 15,614.91 and 3,836.70 is: 5,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.26 : 15,614.91 = 3,836.70 : x
  2. Step 2: Convert to fraction form
    10,405.26/15,614.91 = 3,836.70/x
  3. Step 3: Cross multiply
    10,405.26x = 15,614.91 × 3,836.70
  4. Step 4: Simplify right side
    10,405.26x = 59,909,725.20
  5. Step 5: Solve for x
    x = 59,909,725.20/10,405.26
  6. Step 6: Final answer
    x = 5,757.64

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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.