Home / 12,889.83-19,336.85-4,568.04

Finding the Fourth Proportional to 12,889.83, 19,336.85 and 4,568.04

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Solution

The fourth proportional to 12,889.83, 19,336.85 and 4,568.04 is: 6,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889.83 : 19,336.85 = 4,568.04 : x
  2. Step 2: Convert to fraction form
    12,889.83/19,336.85 = 4,568.04/x
  3. Step 3: Cross multiply
    12,889.83x = 19,336.85 × 4,568.04
  4. Step 4: Simplify right side
    12,889.83x = 88,331,481.43
  5. Step 5: Solve for x
    x = 88,331,481.43/12,889.83
  6. Step 6: Final answer
    x = 6,852.80

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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.