Home / 12,584.20-18,733.97-12,518.92

Finding the Fourth Proportional to 12,584.20, 18,733.97 and 12,518.92

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Solution

The fourth proportional to 12,584.20, 18,733.97 and 12,518.92 is: 18,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.20 : 18,733.97 = 12,518.92 : x
  2. Step 2: Convert to fraction form
    12,584.20/18,733.97 = 12,518.92/x
  3. Step 3: Cross multiply
    12,584.20x = 18,733.97 × 12,518.92
  4. Step 4: Simplify right side
    12,584.20x = 234,529,071.71
  5. Step 5: Solve for x
    x = 234,529,071.71/12,584.20
  6. Step 6: Final answer
    x = 18,636.79

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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.