Home / 10,464.13-15,694.75-3,889.41

Finding the Fourth Proportional to 10,464.13, 15,694.75 and 3,889.41

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Solution

The fourth proportional to 10,464.13, 15,694.75 and 3,889.41 is: 5,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.13 : 15,694.75 = 3,889.41 : x
  2. Step 2: Convert to fraction form
    10,464.13/15,694.75 = 3,889.41/x
  3. Step 3: Cross multiply
    10,464.13x = 15,694.75 × 3,889.41
  4. Step 4: Simplify right side
    10,464.13x = 61,043,317.60
  5. Step 5: Solve for x
    x = 61,043,317.60/10,464.13
  6. Step 6: Final answer
    x = 5,833.58

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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.