Home / 20,287.14-30,416.13-8,593.98

Finding the Fourth Proportional to 20,287.14, 30,416.13 and 8,593.98

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Solution

The fourth proportional to 20,287.14, 30,416.13 and 8,593.98 is: 12,884.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287.14 : 30,416.13 = 8,593.98 : x
  2. Step 2: Convert to fraction form
    20,287.14/30,416.13 = 8,593.98/x
  3. Step 3: Cross multiply
    20,287.14x = 30,416.13 × 8,593.98
  4. Step 4: Simplify right side
    20,287.14x = 261,395,612.90
  5. Step 5: Solve for x
    x = 261,395,612.90/20,287.14
  6. Step 6: Final answer
    x = 12,884.79

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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.