Home / 18,747.53-25,890.96-16,217.49

Finding the Fourth Proportional to 18,747.53, 25,890.96 and 16,217.49

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Solution

The fourth proportional to 18,747.53, 25,890.96 and 16,217.49 is: 22,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.53 : 25,890.96 = 16,217.49 : x
  2. Step 2: Convert to fraction form
    18,747.53/25,890.96 = 16,217.49/x
  3. Step 3: Cross multiply
    18,747.53x = 25,890.96 × 16,217.49
  4. Step 4: Simplify right side
    18,747.53x = 419,886,384.89
  5. Step 5: Solve for x
    x = 419,886,384.89/18,747.53
  6. Step 6: Final answer
    x = 22,396.90

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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.