Home / 11,924.42-16,454.81-6,618.78

Finding the Fourth Proportional to 11,924.42, 16,454.81 and 6,618.78

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Solution

The fourth proportional to 11,924.42, 16,454.81 and 6,618.78 is: 9,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.42 : 16,454.81 = 6,618.78 : x
  2. Step 2: Convert to fraction form
    11,924.42/16,454.81 = 6,618.78/x
  3. Step 3: Cross multiply
    11,924.42x = 16,454.81 × 6,618.78
  4. Step 4: Simplify right side
    11,924.42x = 108,910,783.88
  5. Step 5: Solve for x
    x = 108,910,783.88/11,924.42
  6. Step 6: Final answer
    x = 9,133.43

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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.