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Finding the Fourth Proportional to 11,657.70, 16,087.08 and 6,352.50

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Solution

The fourth proportional to 11,657.70, 16,087.08 and 6,352.50 is: 8,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.70 : 16,087.08 = 6,352.50 : x
  2. Step 2: Convert to fraction form
    11,657.70/16,087.08 = 6,352.50/x
  3. Step 3: Cross multiply
    11,657.70x = 16,087.08 × 6,352.50
  4. Step 4: Simplify right side
    11,657.70x = 102,193,175.70
  5. Step 5: Solve for x
    x = 102,193,175.70/11,657.70
  6. Step 6: Final answer
    x = 8,766.15

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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.