Home / 19,511.82-29,210.61-12,093.90

Finding the Fourth Proportional to 19,511.82, 29,210.61 and 12,093.90

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Solution

The fourth proportional to 19,511.82, 29,210.61 and 12,093.90 is: 18,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.82 : 29,210.61 = 12,093.90 : x
  2. Step 2: Convert to fraction form
    19,511.82/29,210.61 = 12,093.90/x
  3. Step 3: Cross multiply
    19,511.82x = 29,210.61 × 12,093.90
  4. Step 4: Simplify right side
    19,511.82x = 353,270,196.28
  5. Step 5: Solve for x
    x = 353,270,196.28/19,511.82
  6. Step 6: Final answer
    x = 18,105.45

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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.