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Finding the Fourth Proportional to 8,855.43, 13,265.87 and 6,898.47

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Solution

The fourth proportional to 8,855.43, 13,265.87 and 6,898.47 is: 10,334.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.43 : 13,265.87 = 6,898.47 : x
  2. Step 2: Convert to fraction form
    8,855.43/13,265.87 = 6,898.47/x
  3. Step 3: Cross multiply
    8,855.43x = 13,265.87 × 6,898.47
  4. Step 4: Simplify right side
    8,855.43x = 91,514,171.73
  5. Step 5: Solve for x
    x = 91,514,171.73/8,855.43
  6. Step 6: Final answer
    x = 10,334.24

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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.