Home / 20,118.42-30,177.63-6,268.50

Finding the Fourth Proportional to 20,118.42, 30,177.63 and 6,268.50

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Solution

The fourth proportional to 20,118.42, 30,177.63 and 6,268.50 is: 9,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118.42 : 30,177.63 = 6,268.50 : x
  2. Step 2: Convert to fraction form
    20,118.42/30,177.63 = 6,268.50/x
  3. Step 3: Cross multiply
    20,118.42x = 30,177.63 × 6,268.50
  4. Step 4: Simplify right side
    20,118.42x = 189,168,473.66
  5. Step 5: Solve for x
    x = 189,168,473.66/20,118.42
  6. Step 6: Final answer
    x = 9,402.75

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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.