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Finding the Fourth Proportional to 12,092.04, 18,166.86 and 7,718.04

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Solution

The fourth proportional to 12,092.04, 18,166.86 and 7,718.04 is: 11,595.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.04 : 18,166.86 = 7,718.04 : x
  2. Step 2: Convert to fraction form
    12,092.04/18,166.86 = 7,718.04/x
  3. Step 3: Cross multiply
    12,092.04x = 18,166.86 × 7,718.04
  4. Step 4: Simplify right side
    12,092.04x = 140,212,552.15
  5. Step 5: Solve for x
    x = 140,212,552.15/12,092.04
  6. Step 6: Final answer
    x = 11,595.44

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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.