Home / 11,932.48-16,467.84-6,628.16

Finding the Fourth Proportional to 11,932.48, 16,467.84 and 6,628.16

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Solution

The fourth proportional to 11,932.48, 16,467.84 and 6,628.16 is: 9,147.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.48 : 16,467.84 = 6,628.16 : x
  2. Step 2: Convert to fraction form
    11,932.48/16,467.84 = 6,628.16/x
  3. Step 3: Cross multiply
    11,932.48x = 16,467.84 × 6,628.16
  4. Step 4: Simplify right side
    11,932.48x = 109,151,478.37
  5. Step 5: Solve for x
    x = 109,151,478.37/11,932.48
  6. Step 6: Final answer
    x = 9,147.43

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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.