Home / 10,406.26-15,616.41-3,837.70

Finding the Fourth Proportional to 10,406.26, 15,616.41 and 3,837.70

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Solution

The fourth proportional to 10,406.26, 15,616.41 and 3,837.70 is: 5,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.26 : 15,616.41 = 3,837.70 : x
  2. Step 2: Convert to fraction form
    10,406.26/15,616.41 = 3,837.70/x
  3. Step 3: Cross multiply
    10,406.26x = 15,616.41 × 3,837.70
  4. Step 4: Simplify right side
    10,406.26x = 59,931,096.66
  5. Step 5: Solve for x
    x = 59,931,096.66/10,406.26
  6. Step 6: Final answer
    x = 5,759.14

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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.