Home / 20,192.64-30,287.23-12,293.11

Finding the Fourth Proportional to 20,192.64, 30,287.23 and 12,293.11

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Solution

The fourth proportional to 20,192.64, 30,287.23 and 12,293.11 is: 18,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.64 : 30,287.23 = 12,293.11 : x
  2. Step 2: Convert to fraction form
    20,192.64/30,287.23 = 12,293.11/x
  3. Step 3: Cross multiply
    20,192.64x = 30,287.23 × 12,293.11
  4. Step 4: Simplify right side
    20,192.64x = 372,324,037.08
  5. Step 5: Solve for x
    x = 372,324,037.08/20,192.64
  6. Step 6: Final answer
    x = 18,438.60

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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.