Home / 19,747.61-29,620.80-6,600.09

Finding the Fourth Proportional to 19,747.61, 29,620.80 and 6,600.09

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Solution

The fourth proportional to 19,747.61, 29,620.80 and 6,600.09 is: 9,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,747.61 : 29,620.80 = 6,600.09 : x
  2. Step 2: Convert to fraction form
    19,747.61/29,620.80 = 6,600.09/x
  3. Step 3: Cross multiply
    19,747.61x = 29,620.80 × 6,600.09
  4. Step 4: Simplify right side
    19,747.61x = 195,499,945.87
  5. Step 5: Solve for x
    x = 195,499,945.87/19,747.61
  6. Step 6: Final answer
    x = 9,899.93

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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.