Home / 12,117.26-18,182.10-5,961.26

Finding the Fourth Proportional to 12,117.26, 18,182.10 and 5,961.26

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Solution

The fourth proportional to 12,117.26, 18,182.10 and 5,961.26 is: 8,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.26 : 18,182.10 = 5,961.26 : x
  2. Step 2: Convert to fraction form
    12,117.26/18,182.10 = 5,961.26/x
  3. Step 3: Cross multiply
    12,117.26x = 18,182.10 × 5,961.26
  4. Step 4: Simplify right side
    12,117.26x = 108,388,225.45
  5. Step 5: Solve for x
    x = 108,388,225.45/12,117.26
  6. Step 6: Final answer
    x = 8,944.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.