Home / 9,989.33-14,986.11-2,969.36

Finding the Fourth Proportional to 9,989.33, 14,986.11 and 2,969.36

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Solution

The fourth proportional to 9,989.33, 14,986.11 and 2,969.36 is: 4,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.33 : 14,986.11 = 2,969.36 : x
  2. Step 2: Convert to fraction form
    9,989.33/14,986.11 = 2,969.36/x
  3. Step 3: Cross multiply
    9,989.33x = 14,986.11 × 2,969.36
  4. Step 4: Simplify right side
    9,989.33x = 44,499,147.99
  5. Step 5: Solve for x
    x = 44,499,147.99/9,989.33
  6. Step 6: Final answer
    x = 4,454.67

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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.