Home / 14,647.38-21,971.09-3,553.98

Finding the Fourth Proportional to 14,647.38, 21,971.09 and 3,553.98

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Solution

The fourth proportional to 14,647.38, 21,971.09 and 3,553.98 is: 5,330.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.38 : 21,971.09 = 3,553.98 : x
  2. Step 2: Convert to fraction form
    14,647.38/21,971.09 = 3,553.98/x
  3. Step 3: Cross multiply
    14,647.38x = 21,971.09 × 3,553.98
  4. Step 4: Simplify right side
    14,647.38x = 78,084,796.67
  5. Step 5: Solve for x
    x = 78,084,796.67/14,647.38
  6. Step 6: Final answer
    x = 5,330.97

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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.