Home / 20,209.57-30,295.61-10,327.06

Finding the Fourth Proportional to 20,209.57, 30,295.61 and 10,327.06

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Solution

The fourth proportional to 20,209.57, 30,295.61 and 10,327.06 is: 15,481.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,209.57 : 30,295.61 = 10,327.06 : x
  2. Step 2: Convert to fraction form
    20,209.57/30,295.61 = 10,327.06/x
  3. Step 3: Cross multiply
    20,209.57x = 30,295.61 × 10,327.06
  4. Step 4: Simplify right side
    20,209.57x = 312,864,530.57
  5. Step 5: Solve for x
    x = 312,864,530.57/20,209.57
  6. Step 6: Final answer
    x = 15,481.01

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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.