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Finding the Fourth Proportional to 11,636.59, 17,456.08 and 7,252.87

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Solution

The fourth proportional to 11,636.59, 17,456.08 and 7,252.87 is: 10,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,636.59 : 17,456.08 = 7,252.87 : x
  2. Step 2: Convert to fraction form
    11,636.59/17,456.08 = 7,252.87/x
  3. Step 3: Cross multiply
    11,636.59x = 17,456.08 × 7,252.87
  4. Step 4: Simplify right side
    11,636.59x = 126,606,740.72
  5. Step 5: Solve for x
    x = 126,606,740.72/11,636.59
  6. Step 6: Final answer
    x = 10,880.05

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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.