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Finding the Fourth Proportional to 17,347.73, 23,939.91 and 9,389.94

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Solution

The fourth proportional to 17,347.73, 23,939.91 and 9,389.94 is: 12,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,347.73 : 23,939.91 = 9,389.94 : x
  2. Step 2: Convert to fraction form
    17,347.73/23,939.91 = 9,389.94/x
  3. Step 3: Cross multiply
    17,347.73x = 23,939.91 × 9,389.94
  4. Step 4: Simplify right side
    17,347.73x = 224,794,318.51
  5. Step 5: Solve for x
    x = 224,794,318.51/17,347.73
  6. Step 6: Final answer
    x = 12,958.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.