Home / 12,375.36-18,527.40-8,219.52

Finding the Fourth Proportional to 12,375.36, 18,527.40 and 8,219.52

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Solution

The fourth proportional to 12,375.36, 18,527.40 and 8,219.52 is: 12,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.36 : 18,527.40 = 8,219.52 : x
  2. Step 2: Convert to fraction form
    12,375.36/18,527.40 = 8,219.52/x
  3. Step 3: Cross multiply
    12,375.36x = 18,527.40 × 8,219.52
  4. Step 4: Simplify right side
    12,375.36x = 152,286,334.85
  5. Step 5: Solve for x
    x = 152,286,334.85/12,375.36
  6. Step 6: Final answer
    x = 12,305.61

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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.