Home / 11,165.82-16,748.70-8,702.48

Finding the Fourth Proportional to 11,165.82, 16,748.70 and 8,702.48

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Solution

The fourth proportional to 11,165.82, 16,748.70 and 8,702.48 is: 13,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.82 : 16,748.70 = 8,702.48 : x
  2. Step 2: Convert to fraction form
    11,165.82/16,748.70 = 8,702.48/x
  3. Step 3: Cross multiply
    11,165.82x = 16,748.70 × 8,702.48
  4. Step 4: Simplify right side
    11,165.82x = 145,755,226.78
  5. Step 5: Solve for x
    x = 145,755,226.78/11,165.82
  6. Step 6: Final answer
    x = 13,053.70

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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.