Home / 20,178.52-30,272.60-6,327.52

Finding the Fourth Proportional to 20,178.52, 30,272.60 and 6,327.52

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Solution

The fourth proportional to 20,178.52, 30,272.60 and 6,327.52 is: 9,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178.52 : 30,272.60 = 6,327.52 : x
  2. Step 2: Convert to fraction form
    20,178.52/30,272.60 = 6,327.52/x
  3. Step 3: Cross multiply
    20,178.52x = 30,272.60 × 6,327.52
  4. Step 4: Simplify right side
    20,178.52x = 191,550,481.95
  5. Step 5: Solve for x
    x = 191,550,481.95/20,178.52
  6. Step 6: Final answer
    x = 9,492.79

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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.