Home / 20,218.12-30,327.18-6,177.58

Finding the Fourth Proportional to 20,218.12, 30,327.18 and 6,177.58

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Solution

The fourth proportional to 20,218.12, 30,327.18 and 6,177.58 is: 9,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218.12 : 30,327.18 = 6,177.58 : x
  2. Step 2: Convert to fraction form
    20,218.12/30,327.18 = 6,177.58/x
  3. Step 3: Cross multiply
    20,218.12x = 30,327.18 × 6,177.58
  4. Step 4: Simplify right side
    20,218.12x = 187,348,580.62
  5. Step 5: Solve for x
    x = 187,348,580.62/20,218.12
  6. Step 6: Final answer
    x = 9,266.37

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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.