Home / 11,394.05-17,066.46-11,115.20

Finding the Fourth Proportional to 11,394.05, 17,066.46 and 11,115.20

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Solution

The fourth proportional to 11,394.05, 17,066.46 and 11,115.20 is: 16,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.05 : 17,066.46 = 11,115.20 : x
  2. Step 2: Convert to fraction form
    11,394.05/17,066.46 = 11,115.20/x
  3. Step 3: Cross multiply
    11,394.05x = 17,066.46 × 11,115.20
  4. Step 4: Simplify right side
    11,394.05x = 189,697,232.54
  5. Step 5: Solve for x
    x = 189,697,232.54/11,394.05
  6. Step 6: Final answer
    x = 16,648.80

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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.