Home / 12,724.36-17,553.72-8,248.84

Finding the Fourth Proportional to 12,724.36, 17,553.72 and 8,248.84

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Solution

The fourth proportional to 12,724.36, 17,553.72 and 8,248.84 is: 11,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.36 : 17,553.72 = 8,248.84 : x
  2. Step 2: Convert to fraction form
    12,724.36/17,553.72 = 8,248.84/x
  3. Step 3: Cross multiply
    12,724.36x = 17,553.72 × 8,248.84
  4. Step 4: Simplify right side
    12,724.36x = 144,797,827.68
  5. Step 5: Solve for x
    x = 144,797,827.68/12,724.36
  6. Step 6: Final answer
    x = 11,379.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.