Home / 9,829.85-14,736.48-3,990.56

Finding the Fourth Proportional to 9,829.85, 14,736.48 and 3,990.56

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Solution

The fourth proportional to 9,829.85, 14,736.48 and 3,990.56 is: 5,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.85 : 14,736.48 = 3,990.56 : x
  2. Step 2: Convert to fraction form
    9,829.85/14,736.48 = 3,990.56/x
  3. Step 3: Cross multiply
    9,829.85x = 14,736.48 × 3,990.56
  4. Step 4: Simplify right side
    9,829.85x = 58,806,807.63
  5. Step 5: Solve for x
    x = 58,806,807.63/9,829.85
  6. Step 6: Final answer
    x = 5,982.47

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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.