Home / 14,370.86-21,556.29-3,982.61

Finding the Fourth Proportional to 14,370.86, 21,556.29 and 3,982.61

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Solution

The fourth proportional to 14,370.86, 21,556.29 and 3,982.61 is: 5,973.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.86 : 21,556.29 = 3,982.61 : x
  2. Step 2: Convert to fraction form
    14,370.86/21,556.29 = 3,982.61/x
  3. Step 3: Cross multiply
    14,370.86x = 21,556.29 × 3,982.61
  4. Step 4: Simplify right side
    14,370.86x = 85,850,296.12
  5. Step 5: Solve for x
    x = 85,850,296.12/14,370.86
  6. Step 6: Final answer
    x = 5,973.92

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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.