Home / 11,494.43-15,862.80-6,458.56

Finding the Fourth Proportional to 11,494.43, 15,862.80 and 6,458.56

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Solution

The fourth proportional to 11,494.43, 15,862.80 and 6,458.56 is: 8,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,494.43 : 15,862.80 = 6,458.56 : x
  2. Step 2: Convert to fraction form
    11,494.43/15,862.80 = 6,458.56/x
  3. Step 3: Cross multiply
    11,494.43x = 15,862.80 × 6,458.56
  4. Step 4: Simplify right side
    11,494.43x = 102,450,845.57
  5. Step 5: Solve for x
    x = 102,450,845.57/11,494.43
  6. Step 6: Final answer
    x = 8,913.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.