Home / 11,873.32-17,809.82-3,553.40

Finding the Fourth Proportional to 11,873.32, 17,809.82 and 3,553.40

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Solution

The fourth proportional to 11,873.32, 17,809.82 and 3,553.40 is: 5,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.32 : 17,809.82 = 3,553.40 : x
  2. Step 2: Convert to fraction form
    11,873.32/17,809.82 = 3,553.40/x
  3. Step 3: Cross multiply
    11,873.32x = 17,809.82 × 3,553.40
  4. Step 4: Simplify right side
    11,873.32x = 63,285,414.39
  5. Step 5: Solve for x
    x = 63,285,414.39/11,873.32
  6. Step 6: Final answer
    x = 5,330.05

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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.