Home / 9,829.86-14,736.48-3,990.57

Finding the Fourth Proportional to 9,829.86, 14,736.48 and 3,990.57

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Solution

The fourth proportional to 9,829.86, 14,736.48 and 3,990.57 is: 5,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.86 : 14,736.48 = 3,990.57 : x
  2. Step 2: Convert to fraction form
    9,829.86/14,736.48 = 3,990.57/x
  3. Step 3: Cross multiply
    9,829.86x = 14,736.48 × 3,990.57
  4. Step 4: Simplify right side
    9,829.86x = 58,806,954.99
  5. Step 5: Solve for x
    x = 58,806,954.99/9,829.86
  6. Step 6: Final answer
    x = 5,982.48

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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.