Home / 20,493.54-30,798.02-12,175.04

Finding the Fourth Proportional to 20,493.54, 30,798.02 and 12,175.04

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Solution

The fourth proportional to 20,493.54, 30,798.02 and 12,175.04 is: 18,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493.54 : 30,798.02 = 12,175.04 : x
  2. Step 2: Convert to fraction form
    20,493.54/30,798.02 = 12,175.04/x
  3. Step 3: Cross multiply
    20,493.54x = 30,798.02 × 12,175.04
  4. Step 4: Simplify right side
    20,493.54x = 374,967,232.85
  5. Step 5: Solve for x
    x = 374,967,232.85/20,493.54
  6. Step 6: Final answer
    x = 18,296.85

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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.