Home / 11,477.38-17,213.80-3,155.25

Finding the Fourth Proportional to 11,477.38, 17,213.80 and 3,155.25

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Solution

The fourth proportional to 11,477.38, 17,213.80 and 3,155.25 is: 4,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.38 : 17,213.80 = 3,155.25 : x
  2. Step 2: Convert to fraction form
    11,477.38/17,213.80 = 3,155.25/x
  3. Step 3: Cross multiply
    11,477.38x = 17,213.80 × 3,155.25
  4. Step 4: Simplify right side
    11,477.38x = 54,313,842.45
  5. Step 5: Solve for x
    x = 54,313,842.45/11,477.38
  6. Step 6: Final answer
    x = 4,732.25

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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.