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Finding the Fourth Proportional to 8,518.97, 11,741.41 and 8,026.90

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Solution

The fourth proportional to 8,518.97, 11,741.41 and 8,026.90 is: 11,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.97 : 11,741.41 = 8,026.90 : x
  2. Step 2: Convert to fraction form
    8,518.97/11,741.41 = 8,026.90/x
  3. Step 3: Cross multiply
    8,518.97x = 11,741.41 × 8,026.90
  4. Step 4: Simplify right side
    8,518.97x = 94,247,059.46
  5. Step 5: Solve for x
    x = 94,247,059.46/8,518.97
  6. Step 6: Final answer
    x = 11,063.20

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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.