Home / 12,584.00-18,876.12-3,818.92

Finding the Fourth Proportional to 12,584.00, 18,876.12 and 3,818.92

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Solution

The fourth proportional to 12,584.00, 18,876.12 and 3,818.92 is: 5,728.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.00 : 18,876.12 = 3,818.92 : x
  2. Step 2: Convert to fraction form
    12,584.00/18,876.12 = 3,818.92/x
  3. Step 3: Cross multiply
    12,584.00x = 18,876.12 × 3,818.92
  4. Step 4: Simplify right side
    12,584.00x = 72,086,283.49
  5. Step 5: Solve for x
    x = 72,086,283.49/12,584.00
  6. Step 6: Final answer
    x = 5,728.41

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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.