Home / 12,761.32-19,147.46-5,367.44

Finding the Fourth Proportional to 12,761.32, 19,147.46 and 5,367.44

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Solution

The fourth proportional to 12,761.32, 19,147.46 and 5,367.44 is: 8,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761.32 : 19,147.46 = 5,367.44 : x
  2. Step 2: Convert to fraction form
    12,761.32/19,147.46 = 5,367.44/x
  3. Step 3: Cross multiply
    12,761.32x = 19,147.46 × 5,367.44
  4. Step 4: Simplify right side
    12,761.32x = 102,772,842.70
  5. Step 5: Solve for x
    x = 102,772,842.70/12,761.32
  6. Step 6: Final answer
    x = 8,053.46

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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.