Home / 12,166.94-18,252.29-5,146.97

Finding the Fourth Proportional to 12,166.94, 18,252.29 and 5,146.97

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Solution

The fourth proportional to 12,166.94, 18,252.29 and 5,146.97 is: 7,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.94 : 18,252.29 = 5,146.97 : x
  2. Step 2: Convert to fraction form
    12,166.94/18,252.29 = 5,146.97/x
  3. Step 3: Cross multiply
    12,166.94x = 18,252.29 × 5,146.97
  4. Step 4: Simplify right side
    12,166.94x = 93,943,910.67
  5. Step 5: Solve for x
    x = 93,943,910.67/12,166.94
  6. Step 6: Final answer
    x = 7,721.25

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1.5x scale

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.