Home / 12,764.12-19,185.22-10,586.84

Finding the Fourth Proportional to 12,764.12, 19,185.22 and 10,586.84

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Solution

The fourth proportional to 12,764.12, 19,185.22 and 10,586.84 is: 15,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.12 : 19,185.22 = 10,586.84 : x
  2. Step 2: Convert to fraction form
    12,764.12/19,185.22 = 10,586.84/x
  3. Step 3: Cross multiply
    12,764.12x = 19,185.22 × 10,586.84
  4. Step 4: Simplify right side
    12,764.12x = 203,110,854.50
  5. Step 5: Solve for x
    x = 203,110,854.50/12,764.12
  6. Step 6: Final answer
    x = 15,912.64

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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.