Home / 18,074.83-27,120.90-6,393.55

Finding the Fourth Proportional to 18,074.83, 27,120.90 and 6,393.55

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Solution

The fourth proportional to 18,074.83, 27,120.90 and 6,393.55 is: 9,593.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.83 : 27,120.90 = 6,393.55 : x
  2. Step 2: Convert to fraction form
    18,074.83/27,120.90 = 6,393.55/x
  3. Step 3: Cross multiply
    18,074.83x = 27,120.90 × 6,393.55
  4. Step 4: Simplify right side
    18,074.83x = 173,398,830.20
  5. Step 5: Solve for x
    x = 173,398,830.20/18,074.83
  6. Step 6: Final answer
    x = 9,593.39

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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.