Home / 18,273.89-27,410.84-6,436.43

Finding the Fourth Proportional to 18,273.89, 27,410.84 and 6,436.43

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Solution

The fourth proportional to 18,273.89, 27,410.84 and 6,436.43 is: 9,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.89 : 27,410.84 = 6,436.43 : x
  2. Step 2: Convert to fraction form
    18,273.89/27,410.84 = 6,436.43/x
  3. Step 3: Cross multiply
    18,273.89x = 27,410.84 × 6,436.43
  4. Step 4: Simplify right side
    18,273.89x = 176,427,910.59
  5. Step 5: Solve for x
    x = 176,427,910.59/18,273.89
  6. Step 6: Final answer
    x = 9,654.65

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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.