Home / 20,119.26-30,178.90-6,268.26

Finding the Fourth Proportional to 20,119.26, 30,178.90 and 6,268.26

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Solution

The fourth proportional to 20,119.26, 30,178.90 and 6,268.26 is: 9,402.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.26 : 30,178.90 = 6,268.26 : x
  2. Step 2: Convert to fraction form
    20,119.26/30,178.90 = 6,268.26/x
  3. Step 3: Cross multiply
    20,119.26x = 30,178.90 × 6,268.26
  4. Step 4: Simplify right side
    20,119.26x = 189,169,191.71
  5. Step 5: Solve for x
    x = 189,169,191.71/20,119.26
  6. Step 6: Final answer
    x = 9,402.39

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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.