Home / 12,824.76-19,229.91-8,826.84

Finding the Fourth Proportional to 12,824.76, 19,229.91 and 8,826.84

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Solution

The fourth proportional to 12,824.76, 19,229.91 and 8,826.84 is: 13,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.76 : 19,229.91 = 8,826.84 : x
  2. Step 2: Convert to fraction form
    12,824.76/19,229.91 = 8,826.84/x
  3. Step 3: Cross multiply
    12,824.76x = 19,229.91 × 8,826.84
  4. Step 4: Simplify right side
    12,824.76x = 169,739,305.68
  5. Step 5: Solve for x
    x = 169,739,305.68/12,824.76
  6. Step 6: Final answer
    x = 13,235.28

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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.