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Finding the Fourth Proportional to 9,035.91, 13,553.87 and 8,336.07

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Solution

The fourth proportional to 9,035.91, 13,553.87 and 8,336.07 is: 12,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,035.91 : 13,553.87 = 8,336.07 : x
  2. Step 2: Convert to fraction form
    9,035.91/13,553.87 = 8,336.07/x
  3. Step 3: Cross multiply
    9,035.91x = 13,553.87 × 8,336.07
  4. Step 4: Simplify right side
    9,035.91x = 112,985,967.41
  5. Step 5: Solve for x
    x = 112,985,967.41/9,035.91
  6. Step 6: Final answer
    x = 12,504.11

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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.