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Finding the Fourth Proportional to 8,755, 13,044.95 and 8,084.32

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Solution

The fourth proportional to 8,755, 13,044.95 and 8,084.32 is: 12,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755 : 13,044.95 = 8,084.32 : x
  2. Step 2: Convert to fraction form
    8,755/13,044.95 = 8,084.32/x
  3. Step 3: Cross multiply
    8,755x = 13,044.95 × 8,084.32
  4. Step 4: Simplify right side
    8,755x = 105,459,550.18
  5. Step 5: Solve for x
    x = 105,459,550.18/8,755
  6. Step 6: Final answer
    x = 12,045.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.