Home / 21,573.20-32,364.39-12,217.61

Finding the Fourth Proportional to 21,573.20, 32,364.39 and 12,217.61

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Solution

The fourth proportional to 21,573.20, 32,364.39 and 12,217.61 is: 18,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573.20 : 32,364.39 = 12,217.61 : x
  2. Step 2: Convert to fraction form
    21,573.20/32,364.39 = 12,217.61/x
  3. Step 3: Cross multiply
    21,573.20x = 32,364.39 × 12,217.61
  4. Step 4: Simplify right side
    21,573.20x = 395,415,494.91
  5. Step 5: Solve for x
    x = 395,415,494.91/21,573.20
  6. Step 6: Final answer
    x = 18,329.01

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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.