Home / 9,829.45-14,750.25-3,986.11

Finding the Fourth Proportional to 9,829.45, 14,750.25 and 3,986.11

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Solution

The fourth proportional to 9,829.45, 14,750.25 and 3,986.11 is: 5,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.45 : 14,750.25 = 3,986.11 : x
  2. Step 2: Convert to fraction form
    9,829.45/14,750.25 = 3,986.11/x
  3. Step 3: Cross multiply
    9,829.45x = 14,750.25 × 3,986.11
  4. Step 4: Simplify right side
    9,829.45x = 58,796,119.03
  5. Step 5: Solve for x
    x = 58,796,119.03/9,829.45
  6. Step 6: Final answer
    x = 5,981.63

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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.