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Finding the Fourth Proportional to 23,165.99, 34,748.99 and 9,311.75

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Solution

The fourth proportional to 23,165.99, 34,748.99 and 9,311.75 is: 13,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.99 : 34,748.99 = 9,311.75 : x
  2. Step 2: Convert to fraction form
    23,165.99/34,748.99 = 9,311.75/x
  3. Step 3: Cross multiply
    23,165.99x = 34,748.99 × 9,311.75
  4. Step 4: Simplify right side
    23,165.99x = 323,573,907.63
  5. Step 5: Solve for x
    x = 323,573,907.63/23,165.99
  6. Step 6: Final answer
    x = 13,967.63

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Similar ratio
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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.