Home / 12,382.97-18,574.76-10,616.96

Finding the Fourth Proportional to 12,382.97, 18,574.76 and 10,616.96

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Solution

The fourth proportional to 12,382.97, 18,574.76 and 10,616.96 is: 15,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382.97 : 18,574.76 = 10,616.96 : x
  2. Step 2: Convert to fraction form
    12,382.97/18,574.76 = 10,616.96/x
  3. Step 3: Cross multiply
    12,382.97x = 18,574.76 × 10,616.96
  4. Step 4: Simplify right side
    12,382.97x = 197,207,556.91
  5. Step 5: Solve for x
    x = 197,207,556.91/12,382.97
  6. Step 6: Final answer
    x = 15,925.71

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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.