Home / 14,511.75-20,028.11-8,543.97

Finding the Fourth Proportional to 14,511.75, 20,028.11 and 8,543.97

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Solution

The fourth proportional to 14,511.75, 20,028.11 and 8,543.97 is: 11,791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.75 : 20,028.11 = 8,543.97 : x
  2. Step 2: Convert to fraction form
    14,511.75/20,028.11 = 8,543.97/x
  3. Step 3: Cross multiply
    14,511.75x = 20,028.11 × 8,543.97
  4. Step 4: Simplify right side
    14,511.75x = 171,119,528.28
  5. Step 5: Solve for x
    x = 171,119,528.28/14,511.75
  6. Step 6: Final answer
    x = 11,791.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.