Home / 19,860.96-29,796-5,820.66

Finding the Fourth Proportional to 19,860.96, 29,796 and 5,820.66

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Solution

The fourth proportional to 19,860.96, 29,796 and 5,820.66 is: 8,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.96 : 29,796 = 5,820.66 : x
  2. Step 2: Convert to fraction form
    19,860.96/29,796 = 5,820.66/x
  3. Step 3: Cross multiply
    19,860.96x = 29,796 × 5,820.66
  4. Step 4: Simplify right side
    19,860.96x = 173,432,385.36
  5. Step 5: Solve for x
    x = 173,432,385.36/19,860.96
  6. Step 6: Final answer
    x = 8,732.33

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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.