Home / 9,989.13-14,986.68-2,969.37

Finding the Fourth Proportional to 9,989.13, 14,986.68 and 2,969.37

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Solution

The fourth proportional to 9,989.13, 14,986.68 and 2,969.37 is: 4,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.13 : 14,986.68 = 2,969.37 : x
  2. Step 2: Convert to fraction form
    9,989.13/14,986.68 = 2,969.37/x
  3. Step 3: Cross multiply
    9,989.13x = 14,986.68 × 2,969.37
  4. Step 4: Simplify right side
    9,989.13x = 44,500,997.99
  5. Step 5: Solve for x
    x = 44,500,997.99/9,989.13
  6. Step 6: Final answer
    x = 4,454.94

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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.