Home / 11,934.25-16,470.24-6,629.39

Finding the Fourth Proportional to 11,934.25, 16,470.24 and 6,629.39

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Solution

The fourth proportional to 11,934.25, 16,470.24 and 6,629.39 is: 9,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.25 : 16,470.24 = 6,629.39 : x
  2. Step 2: Convert to fraction form
    11,934.25/16,470.24 = 6,629.39/x
  3. Step 3: Cross multiply
    11,934.25x = 16,470.24 × 6,629.39
  4. Step 4: Simplify right side
    11,934.25x = 109,187,644.35
  5. Step 5: Solve for x
    x = 109,187,644.35/11,934.25
  6. Step 6: Final answer
    x = 9,149.10

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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.