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Finding the Fourth Proportional to 16,839, 23,237.82 and 9,387

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Solution

The fourth proportional to 16,839, 23,237.82 and 9,387 is: 12,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839 : 23,237.82 = 9,387 : x
  2. Step 2: Convert to fraction form
    16,839/23,237.82 = 9,387/x
  3. Step 3: Cross multiply
    16,839x = 23,237.82 × 9,387
  4. Step 4: Simplify right side
    16,839x = 218,133,416.34
  5. Step 5: Solve for x
    x = 218,133,416.34/16,839
  6. Step 6: Final answer
    x = 12,954.06

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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.