Home / 11,145.92-16,721.51-3,248.60

Finding the Fourth Proportional to 11,145.92, 16,721.51 and 3,248.60

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Solution

The fourth proportional to 11,145.92, 16,721.51 and 3,248.60 is: 4,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.92 : 16,721.51 = 3,248.60 : x
  2. Step 2: Convert to fraction form
    11,145.92/16,721.51 = 3,248.60/x
  3. Step 3: Cross multiply
    11,145.92x = 16,721.51 × 3,248.60
  4. Step 4: Simplify right side
    11,145.92x = 54,321,397.54
  5. Step 5: Solve for x
    x = 54,321,397.54/11,145.92
  6. Step 6: Final answer
    x = 4,873.66

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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.