Home / 11,448.92-17,171.58-3,129.58

Finding the Fourth Proportional to 11,448.92, 17,171.58 and 3,129.58

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Solution

The fourth proportional to 11,448.92, 17,171.58 and 3,129.58 is: 4,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.92 : 17,171.58 = 3,129.58 : x
  2. Step 2: Convert to fraction form
    11,448.92/17,171.58 = 3,129.58/x
  3. Step 3: Cross multiply
    11,448.92x = 17,171.58 × 3,129.58
  4. Step 4: Simplify right side
    11,448.92x = 53,739,833.34
  5. Step 5: Solve for x
    x = 53,739,833.34/11,448.92
  6. Step 6: Final answer
    x = 4,693.88

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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.