Home / 17,998.20-27,000.90-6,319.62

Finding the Fourth Proportional to 17,998.20, 27,000.90 and 6,319.62

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Solution

The fourth proportional to 17,998.20, 27,000.90 and 6,319.62 is: 9,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.20 : 27,000.90 = 6,319.62 : x
  2. Step 2: Convert to fraction form
    17,998.20/27,000.90 = 6,319.62/x
  3. Step 3: Cross multiply
    17,998.20x = 27,000.90 × 6,319.62
  4. Step 4: Simplify right side
    17,998.20x = 170,635,427.66
  5. Step 5: Solve for x
    x = 170,635,427.66/17,998.20
  6. Step 6: Final answer
    x = 9,480.69

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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.