Home / 12,586.68-18,873.84-5,194.80

Finding the Fourth Proportional to 12,586.68, 18,873.84 and 5,194.80

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Solution

The fourth proportional to 12,586.68, 18,873.84 and 5,194.80 is: 7,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586.68 : 18,873.84 = 5,194.80 : x
  2. Step 2: Convert to fraction form
    12,586.68/18,873.84 = 5,194.80/x
  3. Step 3: Cross multiply
    12,586.68x = 18,873.84 × 5,194.80
  4. Step 4: Simplify right side
    12,586.68x = 98,045,824.03
  5. Step 5: Solve for x
    x = 98,045,824.03/12,586.68
  6. Step 6: Final answer
    x = 7,789.65

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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.