Home / 34,072.80-51,115.89-11,886.90

Finding the Fourth Proportional to 34,072.80, 51,115.89 and 11,886.90

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Solution

The fourth proportional to 34,072.80, 51,115.89 and 11,886.90 is: 17,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,072.80 : 51,115.89 = 11,886.90 : x
  2. Step 2: Convert to fraction form
    34,072.80/51,115.89 = 11,886.90/x
  3. Step 3: Cross multiply
    34,072.80x = 51,115.89 × 11,886.90
  4. Step 4: Simplify right side
    34,072.80x = 607,609,413.41
  5. Step 5: Solve for x
    x = 607,609,413.41/34,072.80
  6. Step 6: Final answer
    x = 17,832.68

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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.