Home / 12,644.84-17,450.24-6,979.92

Finding the Fourth Proportional to 12,644.84, 17,450.24 and 6,979.92

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Solution

The fourth proportional to 12,644.84, 17,450.24 and 6,979.92 is: 9,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644.84 : 17,450.24 = 6,979.92 : x
  2. Step 2: Convert to fraction form
    12,644.84/17,450.24 = 6,979.92/x
  3. Step 3: Cross multiply
    12,644.84x = 17,450.24 × 6,979.92
  4. Step 4: Simplify right side
    12,644.84x = 121,801,279.18
  5. Step 5: Solve for x
    x = 121,801,279.18/12,644.84
  6. Step 6: Final answer
    x = 9,632.49

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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.