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Finding the Fourth Proportional to 11,295.86, 16,943.78 and 9,836.03

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Solution

The fourth proportional to 11,295.86, 16,943.78 and 9,836.03 is: 14,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.86 : 16,943.78 = 9,836.03 : x
  2. Step 2: Convert to fraction form
    11,295.86/16,943.78 = 9,836.03/x
  3. Step 3: Cross multiply
    11,295.86x = 16,943.78 × 9,836.03
  4. Step 4: Simplify right side
    11,295.86x = 166,659,595.34
  5. Step 5: Solve for x
    x = 166,659,595.34/11,295.86
  6. Step 6: Final answer
    x = 14,754.05

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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.