Home / 11,680.14-16,118.37-6,374.94

Finding the Fourth Proportional to 11,680.14, 16,118.37 and 6,374.94

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Solution

The fourth proportional to 11,680.14, 16,118.37 and 6,374.94 is: 8,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.14 : 16,118.37 = 6,374.94 : x
  2. Step 2: Convert to fraction form
    11,680.14/16,118.37 = 6,374.94/x
  3. Step 3: Cross multiply
    11,680.14x = 16,118.37 × 6,374.94
  4. Step 4: Simplify right side
    11,680.14x = 102,753,641.65
  5. Step 5: Solve for x
    x = 102,753,641.65/11,680.14
  6. Step 6: Final answer
    x = 8,797.30

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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.