Home / 10,992.38-16,490.66-4,419.09

Finding the Fourth Proportional to 10,992.38, 16,490.66 and 4,419.09

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Solution

The fourth proportional to 10,992.38, 16,490.66 and 4,419.09 is: 6,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.38 : 16,490.66 = 4,419.09 : x
  2. Step 2: Convert to fraction form
    10,992.38/16,490.66 = 4,419.09/x
  3. Step 3: Cross multiply
    10,992.38x = 16,490.66 × 4,419.09
  4. Step 4: Simplify right side
    10,992.38x = 72,873,688.60
  5. Step 5: Solve for x
    x = 72,873,688.60/10,992.38
  6. Step 6: Final answer
    x = 6,629.48

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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.