Home / 20,194.39-30,291.98-5,403.28

Finding the Fourth Proportional to 20,194.39, 30,291.98 and 5,403.28

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Solution

The fourth proportional to 20,194.39, 30,291.98 and 5,403.28 is: 8,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.39 : 30,291.98 = 5,403.28 : x
  2. Step 2: Convert to fraction form
    20,194.39/30,291.98 = 5,403.28/x
  3. Step 3: Cross multiply
    20,194.39x = 30,291.98 × 5,403.28
  4. Step 4: Simplify right side
    20,194.39x = 163,676,073.33
  5. Step 5: Solve for x
    x = 163,676,073.33/20,194.39
  6. Step 6: Final answer
    x = 8,105.03

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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.