Home / 11,908.05-16,434.46-6,873.62

Finding the Fourth Proportional to 11,908.05, 16,434.46 and 6,873.62

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Solution

The fourth proportional to 11,908.05, 16,434.46 and 6,873.62 is: 9,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.05 : 16,434.46 = 6,873.62 : x
  2. Step 2: Convert to fraction form
    11,908.05/16,434.46 = 6,873.62/x
  3. Step 3: Cross multiply
    11,908.05x = 16,434.46 × 6,873.62
  4. Step 4: Simplify right side
    11,908.05x = 112,964,176.59
  5. Step 5: Solve for x
    x = 112,964,176.59/11,908.05
  6. Step 6: Final answer
    x = 9,486.37

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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.