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Finding the Fourth Proportional to 11,497.65, 17,247.68 and 4,922.07

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Solution

The fourth proportional to 11,497.65, 17,247.68 and 4,922.07 is: 7,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,497.65 : 17,247.68 = 4,922.07 : x
  2. Step 2: Convert to fraction form
    11,497.65/17,247.68 = 4,922.07/x
  3. Step 3: Cross multiply
    11,497.65x = 17,247.68 × 4,922.07
  4. Step 4: Simplify right side
    11,497.65x = 84,894,288.30
  5. Step 5: Solve for x
    x = 84,894,288.30/11,497.65
  6. Step 6: Final answer
    x = 7,383.62

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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.