Home / 12,210.73-18,407.60-11,396.97

Finding the Fourth Proportional to 12,210.73, 18,407.60 and 11,396.97

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Solution

The fourth proportional to 12,210.73, 18,407.60 and 11,396.97 is: 17,180.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.73 : 18,407.60 = 11,396.97 : x
  2. Step 2: Convert to fraction form
    12,210.73/18,407.60 = 11,396.97/x
  3. Step 3: Cross multiply
    12,210.73x = 18,407.60 × 11,396.97
  4. Step 4: Simplify right side
    12,210.73x = 209,790,850.73
  5. Step 5: Solve for x
    x = 209,790,850.73/12,210.73
  6. Step 6: Final answer
    x = 17,180.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.