Home / 20,410.52-30,628.04-8,723.73

Finding the Fourth Proportional to 20,410.52, 30,628.04 and 8,723.73

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Solution

The fourth proportional to 20,410.52, 30,628.04 and 8,723.73 is: 13,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.52 : 30,628.04 = 8,723.73 : x
  2. Step 2: Convert to fraction form
    20,410.52/30,628.04 = 8,723.73/x
  3. Step 3: Cross multiply
    20,410.52x = 30,628.04 × 8,723.73
  4. Step 4: Simplify right side
    20,410.52x = 267,190,822.63
  5. Step 5: Solve for x
    x = 267,190,822.63/20,410.52
  6. Step 6: Final answer
    x = 13,090.84

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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.