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Finding the Fourth Proportional to 16,935, 23,369.58 and 9,381.30

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Solution

The fourth proportional to 16,935, 23,369.58 and 9,381.30 is: 12,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935 : 23,369.58 = 9,381.30 : x
  2. Step 2: Convert to fraction form
    16,935/23,369.58 = 9,381.30/x
  3. Step 3: Cross multiply
    16,935x = 23,369.58 × 9,381.30
  4. Step 4: Simplify right side
    16,935x = 219,237,040.85
  5. Step 5: Solve for x
    x = 219,237,040.85/16,935
  6. Step 6: Final answer
    x = 12,945.80

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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.