Home / 20,447.14-30,682.62-8,600.06

Finding the Fourth Proportional to 20,447.14, 30,682.62 and 8,600.06

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Solution

The fourth proportional to 20,447.14, 30,682.62 and 8,600.06 is: 12,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447.14 : 30,682.62 = 8,600.06 : x
  2. Step 2: Convert to fraction form
    20,447.14/30,682.62 = 8,600.06/x
  3. Step 3: Cross multiply
    20,447.14x = 30,682.62 × 8,600.06
  4. Step 4: Simplify right side
    20,447.14x = 263,872,372.96
  5. Step 5: Solve for x
    x = 263,872,372.96/20,447.14
  6. Step 6: Final answer
    x = 12,905.10

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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.