Home / 21,682.15-32,496.59-12,329.99

Finding the Fourth Proportional to 21,682.15, 32,496.59 and 12,329.99

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Solution

The fourth proportional to 21,682.15, 32,496.59 and 12,329.99 is: 18,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682.15 : 32,496.59 = 12,329.99 : x
  2. Step 2: Convert to fraction form
    21,682.15/32,496.59 = 12,329.99/x
  3. Step 3: Cross multiply
    21,682.15x = 32,496.59 × 12,329.99
  4. Step 4: Simplify right side
    21,682.15x = 400,682,619.94
  5. Step 5: Solve for x
    x = 400,682,619.94/21,682.15
  6. Step 6: Final answer
    x = 18,479.84

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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.