Home / 12,472.06-18,616.84-10,995.88

Finding the Fourth Proportional to 12,472.06, 18,616.84 and 10,995.88

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Solution

The fourth proportional to 12,472.06, 18,616.84 and 10,995.88 is: 16,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.06 : 18,616.84 = 10,995.88 : x
  2. Step 2: Convert to fraction form
    12,472.06/18,616.84 = 10,995.88/x
  3. Step 3: Cross multiply
    12,472.06x = 18,616.84 × 10,995.88
  4. Step 4: Simplify right side
    12,472.06x = 204,708,538.62
  5. Step 5: Solve for x
    x = 204,708,538.62/12,472.06
  6. Step 6: Final answer
    x = 16,413.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.