Home / 20,178.37-30,272.40-6,327.37

Finding the Fourth Proportional to 20,178.37, 30,272.40 and 6,327.37

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Solution

The fourth proportional to 20,178.37, 30,272.40 and 6,327.37 is: 9,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178.37 : 30,272.40 = 6,327.37 : x
  2. Step 2: Convert to fraction form
    20,178.37/30,272.40 = 6,327.37/x
  3. Step 3: Cross multiply
    20,178.37x = 30,272.40 × 6,327.37
  4. Step 4: Simplify right side
    20,178.37x = 191,544,524.23
  5. Step 5: Solve for x
    x = 191,544,524.23/20,178.37
  6. Step 6: Final answer
    x = 9,492.57

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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.