Home / 16,687.96-23,031.97-9,517.89

Finding the Fourth Proportional to 16,687.96, 23,031.97 and 9,517.89

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Solution

The fourth proportional to 16,687.96, 23,031.97 and 9,517.89 is: 13,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.96 : 23,031.97 = 9,517.89 : x
  2. Step 2: Convert to fraction form
    16,687.96/23,031.97 = 9,517.89/x
  3. Step 3: Cross multiply
    16,687.96x = 23,031.97 × 9,517.89
  4. Step 4: Simplify right side
    16,687.96x = 219,215,756.94
  5. Step 5: Solve for x
    x = 219,215,756.94/16,687.96
  6. Step 6: Final answer
    x = 13,136.16

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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.