Home / 18,341.21-27,511.82-5,193.65

Finding the Fourth Proportional to 18,341.21, 27,511.82 and 5,193.65

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Solution

The fourth proportional to 18,341.21, 27,511.82 and 5,193.65 is: 7,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.21 : 27,511.82 = 5,193.65 : x
  2. Step 2: Convert to fraction form
    18,341.21/27,511.82 = 5,193.65/x
  3. Step 3: Cross multiply
    18,341.21x = 27,511.82 × 5,193.65
  4. Step 4: Simplify right side
    18,341.21x = 142,886,763.94
  5. Step 5: Solve for x
    x = 142,886,763.94/18,341.21
  6. Step 6: Final answer
    x = 7,790.48

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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.