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Finding the Fourth Proportional to 11,463.17, 17,169.35 and 8,811.14

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Solution

The fourth proportional to 11,463.17, 17,169.35 and 8,811.14 is: 13,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.17 : 17,169.35 = 8,811.14 : x
  2. Step 2: Convert to fraction form
    11,463.17/17,169.35 = 8,811.14/x
  3. Step 3: Cross multiply
    11,463.17x = 17,169.35 × 8,811.14
  4. Step 4: Simplify right side
    11,463.17x = 151,281,416.66
  5. Step 5: Solve for x
    x = 151,281,416.66/11,463.17
  6. Step 6: Final answer
    x = 13,197.18

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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.