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Finding the Fourth Proportional to 14,377.91, 19,735.50 and 12,770.87

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Solution

The fourth proportional to 14,377.91, 19,735.50 and 12,770.87 is: 17,529.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,377.91 : 19,735.50 = 12,770.87 : x
  2. Step 2: Convert to fraction form
    14,377.91/19,735.50 = 12,770.87/x
  3. Step 3: Cross multiply
    14,377.91x = 19,735.50 × 12,770.87
  4. Step 4: Simplify right side
    14,377.91x = 252,039,504.89
  5. Step 5: Solve for x
    x = 252,039,504.89/14,377.91
  6. Step 6: Final answer
    x = 17,529.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.