Home / 20,201.36-30,306.63-6,162.64

Finding the Fourth Proportional to 20,201.36, 30,306.63 and 6,162.64

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Solution

The fourth proportional to 20,201.36, 30,306.63 and 6,162.64 is: 9,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201.36 : 30,306.63 = 6,162.64 : x
  2. Step 2: Convert to fraction form
    20,201.36/30,306.63 = 6,162.64/x
  3. Step 3: Cross multiply
    20,201.36x = 30,306.63 × 6,162.64
  4. Step 4: Simplify right side
    20,201.36x = 186,768,926.07
  5. Step 5: Solve for x
    x = 186,768,926.07/20,201.36
  6. Step 6: Final answer
    x = 9,245.36

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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.