Home / 19,865.79-29,791.33-5,822.22

Finding the Fourth Proportional to 19,865.79, 29,791.33 and 5,822.22

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Solution

The fourth proportional to 19,865.79, 29,791.33 and 5,822.22 is: 8,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865.79 : 29,791.33 = 5,822.22 : x
  2. Step 2: Convert to fraction form
    19,865.79/29,791.33 = 5,822.22/x
  3. Step 3: Cross multiply
    19,865.79x = 29,791.33 × 5,822.22
  4. Step 4: Simplify right side
    19,865.79x = 173,451,677.35
  5. Step 5: Solve for x
    x = 173,451,677.35/19,865.79
  6. Step 6: Final answer
    x = 8,731.17

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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.