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Finding the Fourth Proportional to 8,891.80, 11,834.11 and 8,891.80

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Solution

The fourth proportional to 8,891.80, 11,834.11 and 8,891.80 is: 11,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.80 : 11,834.11 = 8,891.80 : x
  2. Step 2: Convert to fraction form
    8,891.80/11,834.11 = 8,891.80/x
  3. Step 3: Cross multiply
    8,891.80x = 11,834.11 × 8,891.80
  4. Step 4: Simplify right side
    8,891.80x = 105,226,539.30
  5. Step 5: Solve for x
    x = 105,226,539.30/8,891.80
  6. Step 6: Final answer
    x = 11,834.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.