Home / 12,584.07-18,876.15-3,818.97

Finding the Fourth Proportional to 12,584.07, 18,876.15 and 3,818.97

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Solution

The fourth proportional to 12,584.07, 18,876.15 and 3,818.97 is: 5,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.07 : 18,876.15 = 3,818.97 : x
  2. Step 2: Convert to fraction form
    12,584.07/18,876.15 = 3,818.97/x
  3. Step 3: Cross multiply
    12,584.07x = 18,876.15 × 3,818.97
  4. Step 4: Simplify right side
    12,584.07x = 72,087,450.57
  5. Step 5: Solve for x
    x = 72,087,450.57/12,584.07
  6. Step 6: Final answer
    x = 5,728.47

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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.