Home / 12,575.73-18,871.79-4,784.61

Finding the Fourth Proportional to 12,575.73, 18,871.79 and 4,784.61

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Solution

The fourth proportional to 12,575.73, 18,871.79 and 4,784.61 is: 7,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.73 : 18,871.79 = 4,784.61 : x
  2. Step 2: Convert to fraction form
    12,575.73/18,871.79 = 4,784.61/x
  3. Step 3: Cross multiply
    12,575.73x = 18,871.79 × 4,784.61
  4. Step 4: Simplify right side
    12,575.73x = 90,294,131.23
  5. Step 5: Solve for x
    x = 90,294,131.23/12,575.73
  6. Step 6: Final answer
    x = 7,180.03

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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.