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Finding the Fourth Proportional to 16,751.56, 25,098.18 and 12,377.56

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Solution

The fourth proportional to 16,751.56, 25,098.18 and 12,377.56 is: 18,544.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,751.56 : 25,098.18 = 12,377.56 : x
  2. Step 2: Convert to fraction form
    16,751.56/25,098.18 = 12,377.56/x
  3. Step 3: Cross multiply
    16,751.56x = 25,098.18 × 12,377.56
  4. Step 4: Simplify right side
    16,751.56x = 310,654,228.84
  5. Step 5: Solve for x
    x = 310,654,228.84/16,751.56
  6. Step 6: Final answer
    x = 18,544.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.