Home / 20,216.94-30,329.46-8,530.26

Finding the Fourth Proportional to 20,216.94, 30,329.46 and 8,530.26

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Solution

The fourth proportional to 20,216.94, 30,329.46 and 8,530.26 is: 12,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216.94 : 30,329.46 = 8,530.26 : x
  2. Step 2: Convert to fraction form
    20,216.94/30,329.46 = 8,530.26/x
  3. Step 3: Cross multiply
    20,216.94x = 30,329.46 × 8,530.26
  4. Step 4: Simplify right side
    20,216.94x = 258,718,179.46
  5. Step 5: Solve for x
    x = 258,718,179.46/20,216.94
  6. Step 6: Final answer
    x = 12,797.10

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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.