Home / 12,772.84-19,027.25-12,385.96

Finding the Fourth Proportional to 12,772.84, 19,027.25 and 12,385.96

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Solution

The fourth proportional to 12,772.84, 19,027.25 and 12,385.96 is: 18,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772.84 : 19,027.25 = 12,385.96 : x
  2. Step 2: Convert to fraction form
    12,772.84/19,027.25 = 12,385.96/x
  3. Step 3: Cross multiply
    12,772.84x = 19,027.25 × 12,385.96
  4. Step 4: Simplify right side
    12,772.84x = 235,670,757.41
  5. Step 5: Solve for x
    x = 235,670,757.41/12,772.84
  6. Step 6: Final answer
    x = 18,450.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.