Home / 19,229.58-28,824.72-12,214.74

Finding the Fourth Proportional to 19,229.58, 28,824.72 and 12,214.74

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Solution

The fourth proportional to 19,229.58, 28,824.72 and 12,214.74 is: 18,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.58 : 28,824.72 = 12,214.74 : x
  2. Step 2: Convert to fraction form
    19,229.58/28,824.72 = 12,214.74/x
  3. Step 3: Cross multiply
    19,229.58x = 28,824.72 × 12,214.74
  4. Step 4: Simplify right side
    19,229.58x = 352,086,460.37
  5. Step 5: Solve for x
    x = 352,086,460.37/19,229.58
  6. Step 6: Final answer
    x = 18,309.63

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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.