Home / 12,584.16-18,876.17-3,819.08

Finding the Fourth Proportional to 12,584.16, 18,876.17 and 3,819.08

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Solution

The fourth proportional to 12,584.16, 18,876.17 and 3,819.08 is: 5,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.16 : 18,876.17 = 3,819.08 : x
  2. Step 2: Convert to fraction form
    12,584.16/18,876.17 = 3,819.08/x
  3. Step 3: Cross multiply
    12,584.16x = 18,876.17 × 3,819.08
  4. Step 4: Simplify right side
    12,584.16x = 72,089,660.06
  5. Step 5: Solve for x
    x = 72,089,660.06/12,584.16
  6. Step 6: Final answer
    x = 5,728.60

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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.