Home / 19,507.43-29,273.91-7,821.56

Finding the Fourth Proportional to 19,507.43, 29,273.91 and 7,821.56

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Solution

The fourth proportional to 19,507.43, 29,273.91 and 7,821.56 is: 11,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,507.43 : 29,273.91 = 7,821.56 : x
  2. Step 2: Convert to fraction form
    19,507.43/29,273.91 = 7,821.56/x
  3. Step 3: Cross multiply
    19,507.43x = 29,273.91 × 7,821.56
  4. Step 4: Simplify right side
    19,507.43x = 228,967,687.35
  5. Step 5: Solve for x
    x = 228,967,687.35/19,507.43
  6. Step 6: Final answer
    x = 11,737.46

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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.