Home / 11,751.47-16,217.31-6,446.37

Finding the Fourth Proportional to 11,751.47, 16,217.31 and 6,446.37

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Solution

The fourth proportional to 11,751.47, 16,217.31 and 6,446.37 is: 8,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.47 : 16,217.31 = 6,446.37 : x
  2. Step 2: Convert to fraction form
    11,751.47/16,217.31 = 6,446.37/x
  3. Step 3: Cross multiply
    11,751.47x = 16,217.31 × 6,446.37
  4. Step 4: Simplify right side
    11,751.47x = 104,542,780.66
  5. Step 5: Solve for x
    x = 104,542,780.66/11,751.47
  6. Step 6: Final answer
    x = 8,896.14

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1.5x scale

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.