Home / 11,486.43-17,228.79-3,166.20

Finding the Fourth Proportional to 11,486.43, 17,228.79 and 3,166.20

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Solution

The fourth proportional to 11,486.43, 17,228.79 and 3,166.20 is: 4,749.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.43 : 17,228.79 = 3,166.20 : x
  2. Step 2: Convert to fraction form
    11,486.43/17,228.79 = 3,166.20/x
  3. Step 3: Cross multiply
    11,486.43x = 17,228.79 × 3,166.20
  4. Step 4: Simplify right side
    11,486.43x = 54,549,794.90
  5. Step 5: Solve for x
    x = 54,549,794.90/11,486.43
  6. Step 6: Final answer
    x = 4,749.06

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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.