Home / 11,022.68-15,180-9,695.90

Finding the Fourth Proportional to 11,022.68, 15,180 and 9,695.90

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Solution

The fourth proportional to 11,022.68, 15,180 and 9,695.90 is: 13,352.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.68 : 15,180 = 9,695.90 : x
  2. Step 2: Convert to fraction form
    11,022.68/15,180 = 9,695.90/x
  3. Step 3: Cross multiply
    11,022.68x = 15,180 × 9,695.90
  4. Step 4: Simplify right side
    11,022.68x = 147,183,762
  5. Step 5: Solve for x
    x = 147,183,762/11,022.68
  6. Step 6: Final answer
    x = 13,352.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.