Home / 12,818.44-19,230.75-4,813.27

Finding the Fourth Proportional to 12,818.44, 19,230.75 and 4,813.27

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Solution

The fourth proportional to 12,818.44, 19,230.75 and 4,813.27 is: 7,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.44 : 19,230.75 = 4,813.27 : x
  2. Step 2: Convert to fraction form
    12,818.44/19,230.75 = 4,813.27/x
  3. Step 3: Cross multiply
    12,818.44x = 19,230.75 × 4,813.27
  4. Step 4: Simplify right side
    12,818.44x = 92,562,872.45
  5. Step 5: Solve for x
    x = 92,562,872.45/12,818.44
  6. Step 6: Final answer
    x = 7,221.07

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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.