Home / 20,016.34-30,025.04-8,765.89

Finding the Fourth Proportional to 20,016.34, 30,025.04 and 8,765.89

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Solution

The fourth proportional to 20,016.34, 30,025.04 and 8,765.89 is: 13,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.34 : 30,025.04 = 8,765.89 : x
  2. Step 2: Convert to fraction form
    20,016.34/30,025.04 = 8,765.89/x
  3. Step 3: Cross multiply
    20,016.34x = 30,025.04 × 8,765.89
  4. Step 4: Simplify right side
    20,016.34x = 263,196,197.89
  5. Step 5: Solve for x
    x = 263,196,197.89/20,016.34
  6. Step 6: Final answer
    x = 13,149.07

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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.