Home / 12,842.73-19,267.52-5,447.61

Finding the Fourth Proportional to 12,842.73, 19,267.52 and 5,447.61

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Solution

The fourth proportional to 12,842.73, 19,267.52 and 5,447.61 is: 8,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.73 : 19,267.52 = 5,447.61 : x
  2. Step 2: Convert to fraction form
    12,842.73/19,267.52 = 5,447.61/x
  3. Step 3: Cross multiply
    12,842.73x = 19,267.52 × 5,447.61
  4. Step 4: Simplify right side
    12,842.73x = 104,961,907.39
  5. Step 5: Solve for x
    x = 104,961,907.39/12,842.73
  6. Step 6: Final answer
    x = 8,172.87

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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.