Home / 12,789.09-19,171.33-6,552.04

Finding the Fourth Proportional to 12,789.09, 19,171.33 and 6,552.04

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Solution

The fourth proportional to 12,789.09, 19,171.33 and 6,552.04 is: 9,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789.09 : 19,171.33 = 6,552.04 : x
  2. Step 2: Convert to fraction form
    12,789.09/19,171.33 = 6,552.04/x
  3. Step 3: Cross multiply
    12,789.09x = 19,171.33 × 6,552.04
  4. Step 4: Simplify right side
    12,789.09x = 125,611,321.01
  5. Step 5: Solve for x
    x = 125,611,321.01/12,789.09
  6. Step 6: Final answer
    x = 9,821.76

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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.