Home / 20,224.49-30,336.12-8,529.30

Finding the Fourth Proportional to 20,224.49, 30,336.12 and 8,529.30

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Solution

The fourth proportional to 20,224.49, 30,336.12 and 8,529.30 is: 12,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.49 : 30,336.12 = 8,529.30 : x
  2. Step 2: Convert to fraction form
    20,224.49/30,336.12 = 8,529.30/x
  3. Step 3: Cross multiply
    20,224.49x = 30,336.12 × 8,529.30
  4. Step 4: Simplify right side
    20,224.49x = 258,745,868.32
  5. Step 5: Solve for x
    x = 258,745,868.32/20,224.49
  6. Step 6: Final answer
    x = 12,793.69

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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.