Home / 18,645.30-27,972.33-6,165.32

Finding the Fourth Proportional to 18,645.30, 27,972.33 and 6,165.32

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Solution

The fourth proportional to 18,645.30, 27,972.33 and 6,165.32 is: 9,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.30 : 27,972.33 = 6,165.32 : x
  2. Step 2: Convert to fraction form
    18,645.30/27,972.33 = 6,165.32/x
  3. Step 3: Cross multiply
    18,645.30x = 27,972.33 × 6,165.32
  4. Step 4: Simplify right side
    18,645.30x = 172,458,365.60
  5. Step 5: Solve for x
    x = 172,458,365.60/18,645.30
  6. Step 6: Final answer
    x = 9,249.43

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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.