Home / 20,118.55-30,177.83-6,268.63

Finding the Fourth Proportional to 20,118.55, 30,177.83 and 6,268.63

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Solution

The fourth proportional to 20,118.55, 30,177.83 and 6,268.63 is: 9,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118.55 : 30,177.83 = 6,268.63 : x
  2. Step 2: Convert to fraction form
    20,118.55/30,177.83 = 6,268.63/x
  3. Step 3: Cross multiply
    20,118.55x = 30,177.83 × 6,268.63
  4. Step 4: Simplify right side
    20,118.55x = 189,173,650.47
  5. Step 5: Solve for x
    x = 189,173,650.47/20,118.55
  6. Step 6: Final answer
    x = 9,402.95

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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.