Home / 20,214.14-30,324.44-8,529.08

Finding the Fourth Proportional to 20,214.14, 30,324.44 and 8,529.08

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Solution

The fourth proportional to 20,214.14, 30,324.44 and 8,529.08 is: 12,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.14 : 30,324.44 = 8,529.08 : x
  2. Step 2: Convert to fraction form
    20,214.14/30,324.44 = 8,529.08/x
  3. Step 3: Cross multiply
    20,214.14x = 30,324.44 × 8,529.08
  4. Step 4: Simplify right side
    20,214.14x = 258,639,444.42
  5. Step 5: Solve for x
    x = 258,639,444.42/20,214.14
  6. Step 6: Final answer
    x = 12,794.98

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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.