Home / 10,783.12-16,175.58-2,991.97

Finding the Fourth Proportional to 10,783.12, 16,175.58 and 2,991.97

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Solution

The fourth proportional to 10,783.12, 16,175.58 and 2,991.97 is: 4,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.12 : 16,175.58 = 2,991.97 : x
  2. Step 2: Convert to fraction form
    10,783.12/16,175.58 = 2,991.97/x
  3. Step 3: Cross multiply
    10,783.12x = 16,175.58 × 2,991.97
  4. Step 4: Simplify right side
    10,783.12x = 48,396,850.09
  5. Step 5: Solve for x
    x = 48,396,850.09/10,783.12
  6. Step 6: Final answer
    x = 4,488.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.