Home / 19,480.82-29,212.59-12,084.98

Finding the Fourth Proportional to 19,480.82, 29,212.59 and 12,084.98

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Solution

The fourth proportional to 19,480.82, 29,212.59 and 12,084.98 is: 18,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480.82 : 29,212.59 = 12,084.98 : x
  2. Step 2: Convert to fraction form
    19,480.82/29,212.59 = 12,084.98/x
  3. Step 3: Cross multiply
    19,480.82x = 29,212.59 × 12,084.98
  4. Step 4: Simplify right side
    19,480.82x = 353,033,565.90
  5. Step 5: Solve for x
    x = 353,033,565.90/19,480.82
  6. Step 6: Final answer
    x = 18,122.11

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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.