Home / 12,364.73-18,553.19-5,789.78

Finding the Fourth Proportional to 12,364.73, 18,553.19 and 5,789.78

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Solution

The fourth proportional to 12,364.73, 18,553.19 and 5,789.78 is: 8,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.73 : 18,553.19 = 5,789.78 : x
  2. Step 2: Convert to fraction form
    12,364.73/18,553.19 = 5,789.78/x
  3. Step 3: Cross multiply
    12,364.73x = 18,553.19 × 5,789.78
  4. Step 4: Simplify right side
    12,364.73x = 107,418,888.40
  5. Step 5: Solve for x
    x = 107,418,888.40/12,364.73
  6. Step 6: Final answer
    x = 8,687.52

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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.