Home / 12,092.24-16,688.49-8,121.62

Finding the Fourth Proportional to 12,092.24, 16,688.49 and 8,121.62

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Solution

The fourth proportional to 12,092.24, 16,688.49 and 8,121.62 is: 11,208.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.24 : 16,688.49 = 8,121.62 : x
  2. Step 2: Convert to fraction form
    12,092.24/16,688.49 = 8,121.62/x
  3. Step 3: Cross multiply
    12,092.24x = 16,688.49 × 8,121.62
  4. Step 4: Simplify right side
    12,092.24x = 135,537,574.15
  5. Step 5: Solve for x
    x = 135,537,574.15/12,092.24
  6. Step 6: Final answer
    x = 11,208.64

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1.5x scale

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.