Home / 20,202.36-30,291.50-8,346.92

Finding the Fourth Proportional to 20,202.36, 30,291.50 and 8,346.92

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Solution

The fourth proportional to 20,202.36, 30,291.50 and 8,346.92 is: 12,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.36 : 30,291.50 = 8,346.92 : x
  2. Step 2: Convert to fraction form
    20,202.36/30,291.50 = 8,346.92/x
  3. Step 3: Cross multiply
    20,202.36x = 30,291.50 × 8,346.92
  4. Step 4: Simplify right side
    20,202.36x = 252,840,727.18
  5. Step 5: Solve for x
    x = 252,840,727.18/20,202.36
  6. Step 6: Final answer
    x = 12,515.41

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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.