Home / 12,792.88-19,185.45-4,471.35

Finding the Fourth Proportional to 12,792.88, 19,185.45 and 4,471.35

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Solution

The fourth proportional to 12,792.88, 19,185.45 and 4,471.35 is: 6,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.88 : 19,185.45 = 4,471.35 : x
  2. Step 2: Convert to fraction form
    12,792.88/19,185.45 = 4,471.35/x
  3. Step 3: Cross multiply
    12,792.88x = 19,185.45 × 4,471.35
  4. Step 4: Simplify right side
    12,792.88x = 85,784,765.93
  5. Step 5: Solve for x
    x = 85,784,765.93/12,792.88
  6. Step 6: Final answer
    x = 6,705.66

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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.