Home / 12,559.46-18,729.37-11,006.66

Finding the Fourth Proportional to 12,559.46, 18,729.37 and 11,006.66

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Solution

The fourth proportional to 12,559.46, 18,729.37 and 11,006.66 is: 16,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.46 : 18,729.37 = 11,006.66 : x
  2. Step 2: Convert to fraction form
    12,559.46/18,729.37 = 11,006.66/x
  3. Step 3: Cross multiply
    12,559.46x = 18,729.37 × 11,006.66
  4. Step 4: Simplify right side
    12,559.46x = 206,147,807.60
  5. Step 5: Solve for x
    x = 206,147,807.60/12,559.46
  6. Step 6: Final answer
    x = 16,413.75

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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.