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Finding the Fourth Proportional to 17,347.83, 23,939.85 and 9,389.98

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Solution

The fourth proportional to 17,347.83, 23,939.85 and 9,389.98 is: 12,958.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,347.83 : 23,939.85 = 9,389.98 : x
  2. Step 2: Convert to fraction form
    17,347.83/23,939.85 = 9,389.98/x
  3. Step 3: Cross multiply
    17,347.83x = 23,939.85 × 9,389.98
  4. Step 4: Simplify right side
    17,347.83x = 224,794,712.70
  5. Step 5: Solve for x
    x = 224,794,712.70/17,347.83
  6. Step 6: Final answer
    x = 12,958.09

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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.